US7979163B2
Active / In Force
US
⏱️ 0.6 years remaining
Devices and methods for providing configuration information to a controller
Assignee: Resideo LLC
•
Filing: 2007-05-18
•
Granted: 2011-07-12
•
Expires: 2027-05-18
Abstract
Abstract A controller equipped with a controller interface configured to accept one or more input parameters is disclosed, including methods for programming such devices. An illustrative controller interface may include a number of knobs, slides, buttons, or other input means for setting various set-points within the controller that can be used to control one or more HVAC system components of a building or structure. The input parameters may correspond directly to physical parameters of the building or structure being regulated, allowing the user to program the controller without having an extensive knowledge of HVAC systems or their operation.
Inventors
- 👤 Brad A. Terlson
- 👤 Charles E. Bartlett
- 👤 Leisha J. Rotering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:48
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/30; F24F11/32; F24F11/38; F24F11/46; F24F11/50; F24F11/52; F24F11/62; F24F11/63; F24F11/70; F24F11/72; F24F11/74; F24F11/77; F24F2110/00; F24F2110/10; F24F2120/00
Claims Analysis
Total Claims: 61
Claim 1
Independent Claim
200 words
A ventilation system for use in ventilating a building or structure, comprising: a ventilation unit; a controller configured to control the ventilation unit; and a controller interface configured to accept one or more input parameters corresponding to a direct physical parameter of the building or structure, wherein said one or more input parameters includes an area input parameter and/or a number of bedrooms input parameter; and wherein said one or more input parameters further includes one or more parameters selected from the group of a ventilation airflow rate input parameter, a ventilation per room input parameter, a type of room input parameter, an outgoing airflow rate input parameter, a type of rooms input parameter, a number of rooms input parameter, a number of zones input parameter, a number of occupants input parameter, a leakage input parameter, a type of windows input parameter, a floor type input parameter, an environmental input parameter, a location input parameter, an elevation input parameter, an HVAC equipment type input parameter, an HVAC equipment location input parameter, an installed IAQ components input parameter, a type of IAQ component input parameter, an IAQ component capacity input parameter, a filter input parameter, and a UV lamp input parameter.
Claim 2
Dependent Claim
200 words
A ventilation system for use in ventilating a building or structure, comprising: a ventilation unit; a controller configured to control the ventilation unit; and a controller interface configured to accept one or more input parameters corresponding to a direct physical parameter of the building or structure, wherein said one or more input parameters includes an area input parameter and/or a number of bedrooms input parameter; and wherein said one or more input parameters further includes one or more parameters selected from the group of a ventilation airflow rate input parameter, a ventilation per room input parameter, a type of room input parameter, an outgoing airflow rate input parameter, a type of rooms input parameter, a number of rooms input parameter, a number of zones input parameter, a number of occupants input parameter, a leakage input parameter, a type of windows input parameter, a floor type input parameter, an environmental input parameter, a location input parameter, an elevation input parameter, an HVAC equipment type input parameter, an HVAC equipment location input parameter, an installed IAQ components input parameter, a type of IAQ component input parameter, an IAQ component capacity input parameter, a filter input parameter, and a UV lamp input parameter.
Claim 3
Dependent Claim
32 words
The ventilation system of claim 1 , wherein said one or more input parameters includes the area input parameter, the number of bedrooms input parameter, and a ventilation airflow rate input parameter.
Claim 4
Dependent Claim
66 words
The ventilation system of claim 1 , wherein said one or more parameters may also be selected from the group of a vent threshold temperature input parameter, a vent threshold humidity input parameter, a max run-time input parameter, a min run-time input parameter, a cycle rate input parameter, a time/day input parameter, a run/off time limits input parameter, and an average continuous vent rate input parameter.
Claim 5
Dependent Claim
39 words
The ventilation system of claim 1 , wherein the controller includes a processor unit configured to convert the one or more input parameters received from the controller interface into one or more control parameters for controlling the ventilation unit.
Claim 6
Dependent Claim
21 words
The ventilation system of claim 4 , wherein the one or more control parameters corresponds to one or more control signals.
Claim 7
Dependent Claim
14 words
The ventilation system of claim 1 , wherein the controller is a programmable controller.
Claim 8
Dependent Claim
23 words
The ventilation system of claim 1 , further comprising input means for inputting the one or more input parameters into the controller interface.
Claim 9
Dependent Claim
17 words
The ventilation system of claim 7 , wherein said input means includes at least one rotary knob.
Claim 10
Dependent Claim
16 words
The ventilation system of claim 7 , wherein said input means includes at least one slide.
Claim 11
Dependent Claim
19 words
The ventilation system of claim 1 , wherein the controller interface includes at least one display panel and keypad.
Claim 12
Dependent Claim
34 words
The ventilation system of claim 10 , wherein said at least one display panel and keypad comprises a plurality of display panels each equipped with a corresponding keypad configured to accept an input parameter.
Claim 13
Dependent Claim
23 words
The ventilation system of claim 10 , wherein said at least one display panel and keypad comprises a single display panel and keypad.
Claim 14
Dependent Claim
17 words
The ventilation system of claim 1 , further comprising a selector to specify a maximum ventilation parameter.
Claim 15
Dependent Claim
17 words
The ventilation system of claim 1 , further comprising a selector to specify a minimum ventilation parameter.
Claim 16
Dependent Claim
28 words
The ventilation system of claim 1 , further comprising one or more input selectors to select between two or more ventilation control algorithms for use by the controller.
Claim 17
Dependent Claim
29 words
The ventilation system of claim 15 , wherein the one or more input selectors are configured to accept the one or more input parameters in multiple levels or selections.
Claim 18
Dependent Claim
18 words
The ventilation system of claim 1 , wherein the building or structure is a residential building or structure.
Claim 19
Dependent Claim
18 words
The ventilation system of claim 1 , wherein the building or structure is a commercial building or structure.
Claim 20
Dependent Claim
232 words
A ventilation system for use in ventilating a building or structure, comprising: a ventilation unit; a programmable controller configured to receive one or more input parameters corresponding to a direct physical parameter of the building or structure, wherein said one or more input parameters include an area input parameter and/or a number of bedrooms input parameter, the programmable controller including a processor unit configured to convert the one or more input parameters into one or more control parameters for the ventilation unit; and input means for inputting the one or more input parameters into the programmable controller; and wherein said one or more input parameters further includes one or more parameters selected from the group of a ventilation airflow rate input parameter, a ventilation per room input parameter, a type of room input parameter, an outgoing airflow rate input parameter, a type of rooms input parameter, a number of rooms input parameter, a number of zones input parameter, a number of occupants input parameter, a leakage input parameter, a type of windows input parameter, a floor type input parameter, an environmental input parameter, a location input parameter, an elevation input parameter, an HVAC equipment type input parameter, an HVAC equipment location input parameter, an installed IAQ components input parameter, a type of IAQ component input parameter, an IAQ component capacity input parameter, a filter input parameter, and a UV lamp input parameter.
Claim 21
Dependent Claim
232 words
A ventilation system for use in ventilating a building or structure, comprising: a ventilation unit; a programmable controller configured to receive one or more input parameters corresponding to a direct physical parameter of the building or structure, wherein said one or more input parameters include an area input parameter and/or a number of bedrooms input parameter, the programmable controller including a processor unit configured to convert the one or more input parameters into one or more control parameters for the ventilation unit; and input means for inputting the one or more input parameters into the programmable controller; and wherein said one or more input parameters further includes one or more parameters selected from the group of a ventilation airflow rate input parameter, a ventilation per room input parameter, a type of room input parameter, an outgoing airflow rate input parameter, a type of rooms input parameter, a number of rooms input parameter, a number of zones input parameter, a number of occupants input parameter, a leakage input parameter, a type of windows input parameter, a floor type input parameter, an environmental input parameter, a location input parameter, an elevation input parameter, an HVAC equipment type input parameter, an HVAC equipment location input parameter, an installed IAQ components input parameter, a type of IAQ component input parameter, an IAQ component capacity input parameter, a filter input parameter, and a UV lamp input parameter.
Claim 22
Dependent Claim
21 words
The ventilation system of claim 19 , wherein said one or more input parameters includes the ventilation airflow rate input parameter.
Claim 23
Dependent Claim
66 words
The ventilation system of claim 19 , wherein said one or more parameters may also be selected from the group of a vent threshold temperature input parameter, a vent threshold humidity input parameter, a max run-time input parameter, a min run-time input parameter, a cycle rate input parameter, a time/day input parameter, a run/off time limits input parameter, and an average continuous vent rate input parameter.
Claim 24
Dependent Claim
15 words
The ventilation system of claim 19 , wherein said input means comprises a controller interface.
Claim 25
Dependent Claim
21 words
The ventilation system of claim 19 , wherein the one or more control parameters corresponds to one or more control signals.
Claim 26
Dependent Claim
17 words
The ventilation system of claim 19 , wherein said input means includes at least one rotary knob.
Claim 27
Dependent Claim
16 words
The ventilation system of claim 19 , wherein said input means includes at least one slide.
Claim 28
Dependent Claim
21 words
The ventilation system of claim 19 , wherein the input means is configured to select between a number of discrete values.
Claim 29
Dependent Claim
22 words
The ventilation system of claim 19 , wherein the input means is configured to provide a value from a continuum of values.
Claim 30
Dependent Claim
24 words
The ventilation system of claim 19 , wherein the input means includes an input selector to select between two or more units of measure.
Claim 31
Dependent Claim
19 words
The ventilation system of claim 28 , wherein the input selector selects between English and metric units of measure.
Claim 32
Dependent Claim
26 words
The ventilation system of claim 19 , wherein the input means is configured to accept the one or more input parameters in multiple levels or selections.
Claim 33
Dependent Claim
18 words
The ventilation system of claim 19 , wherein the building or structure is a residential building or structure.
Claim 34
Dependent Claim
18 words
The ventilation system of claim 19 , wherein the building or structure is a commercial building or structure.
Claim 35
Dependent Claim
219 words
A programmable controller for controlling a ventilation unit of a building or structure, the controller comprising: one or more input selectors configured to accept one or more values corresponding to a direct physical parameter of the building or structure, the one or more values corresponding to an area value and/or a number of bedrooms value; the one or more input selectors also configured to accept one or more input parameters selected from the group of: a ventilation airflow rate input parameter, a ventilation per room input parameter, a type of room input parameter, an outgoing airflow rate input parameter, a type of rooms input parameter, a number of rooms input parameter, a number of zones input parameter, a number of occupants input parameter, a leakage input parameter, a type of windows input parameter, a floor type input parameter, an environmental input parameter, a location input parameter, an elevation input parameter, an HVAC equipment type input parameter, an HVAC equipment location input parameter, an installed IAQ components input parameter, a type of IAQ component input parameter, an IAQ component capacity input parameter, a filter input parameter, and a UV lamp input parameter; and a processor unit for controlling the operation of the ventilation unit based at least in part on the values received from the one or more input selectors.
Claim 36
Dependent Claim
219 words
A programmable controller for controlling a ventilation unit of a building or structure, the controller comprising: one or more input selectors configured to accept one or more values corresponding to a direct physical parameter of the building or structure, the one or more values corresponding to an area value and/or a number of bedrooms value; the one or more input selectors also configured to accept one or more input parameters selected from the group of: a ventilation airflow rate input parameter, a ventilation per room input parameter, a type of room input parameter, an outgoing airflow rate input parameter, a type of rooms input parameter, a number of rooms input parameter, a number of zones input parameter, a number of occupants input parameter, a leakage input parameter, a type of windows input parameter, a floor type input parameter, an environmental input parameter, a location input parameter, an elevation input parameter, an HVAC equipment type input parameter, an HVAC equipment location input parameter, an installed IAQ components input parameter, a type of IAQ component input parameter, an IAQ component capacity input parameter, a filter input parameter, and a UV lamp input parameter; and a processor unit for controlling the operation of the ventilation unit based at least in part on the values received from the one or more input selectors.
Claim 37
Dependent Claim
19 words
The controller of claim 33 , wherein said one or more input selectors includes at least one rotary knob.
Claim 38
Dependent Claim
18 words
The controller of claim 33 , wherein said one or more input selectors includes at least one slide.
Claim 39
Dependent Claim
23 words
The controller of claim 33 , wherein each of said one or more input selectors includes at least one display panel and keypad.
Claim 40
Dependent Claim
20 words
The controller of claim 33 , wherein said one or more input selectors includes a single display panel and keypad.
Claim 41
Dependent Claim
35 words
The controller of claim 33 , wherein the processor unit is configured to convert the values received from the one or more input selectors into one or more control parameters for controlling the ventilation unit.
Claim 42
Dependent Claim
19 words
The controller of claim 33 , wherein said one or more input selectors comprises a plurality of input selectors.
Claim 43
Dependent Claim
30 words
The controller of claim 39 , wherein said plurality of input selectors includes a ventilation airflow rate input selector, an area input selector, and a number of bedrooms input selector.
Claim 44
Dependent Claim
13 words
The controller of claim 33 , wherein the controller is a ventilation controller.
Claim 45
Dependent Claim
13 words
The controller of claim 33 , wherein the controller is an HVAC controller.
Claim 46
Dependent Claim
193 words
A controller interface for setting one or more parameters within a ventilation controller, comprising: one or more input selectors configured to select an area parameter value, a number of bedrooms parameter value and one or more of a ventilation airflow rate input parameter value, a ventilation per room input parameter value, a type of room input parameter value, an outgoing airflow rate input parameter value, a type of rooms input parameter value, a number of rooms input parameter value, a number of zones input parameter value, a number of occupants input parameter value, a leakage input parameter value, a type of windows input parameter value, a floor type input parameter value, an environmental input parameter value, a location input parameter value, an elevation input parameter value, an HVAC equipment type input parameter value, an HVAC equipment location input parameter value, an installed IAQ components input parameter value, a type of IAQ component input parameter value, an IAQ component capacity input parameter value, a filter input parameter value, and a UV lamp input parameter value; and display means for displaying the current parameter value selected by each of the one or more input selectors.
Claim 47
Dependent Claim
193 words
A controller interface for setting one or more parameters within a ventilation controller, comprising: one or more input selectors configured to select an area parameter value, a number of bedrooms parameter value and one or more of a ventilation airflow rate input parameter value, a ventilation per room input parameter value, a type of room input parameter value, an outgoing airflow rate input parameter value, a type of rooms input parameter value, a number of rooms input parameter value, a number of zones input parameter value, a number of occupants input parameter value, a leakage input parameter value, a type of windows input parameter value, a floor type input parameter value, an environmental input parameter value, a location input parameter value, an elevation input parameter value, an HVAC equipment type input parameter value, an HVAC equipment location input parameter value, an installed IAQ components input parameter value, a type of IAQ component input parameter value, an IAQ component capacity input parameter value, a filter input parameter value, and a UV lamp input parameter value; and display means for displaying the current parameter value selected by each of the one or more input selectors.
Claim 48
Dependent Claim
20 words
The controller interface of claim 43 , wherein said one or more input selectors includes at least one rotary knob.
Claim 49
Dependent Claim
19 words
The controller interface of claim 43 , wherein said one or more input selectors includes at least one slide.
Claim 50
Dependent Claim
14 words
The controller interface of claim 43 , wherein said display means includes a scale.
Claim 51
Dependent Claim
15 words
The controller interface of claim 43 , wherein said display means includes a display panel.
Claim 52
Independent Claim
260 words
A method of operating a ventilation unit of a building or structure, comprising: interacting with a controller equipped with a controller interface having one or more input selectors that are configured to accept one or more parameter values that each correspond to a direct physical parameter of the building or structure, wherein the one or more parameter values includes an area parameter value and/or a number of bedrooms parameter value, and also one or more of a ventilation airflow rate input parameter value, a ventilation per room input parameter value, a type of room input parameter value, an outgoing airflow rate input parameter value, a type of rooms input parameter value, a number of rooms input parameter value, a number of zones input parameter value, a number of occupants input parameter value, a leakage input parameter value, a type of windows input parameter value, a floor type input parameter value, an environmental input parameter value, a location input parameter value, an elevation input parameter value, an HVAC equipment type input parameter value, an HVAC equipment location input parameter value, an installed IAQ components input parameter value, a type of IAQ component input parameter value, an IAQ component capacity input parameter value, a filter input parameter value, and a UV lamp input parameter value; adjusting the one or more input selectors to set the one or more parameter values of the controller; and controlling the ventilation unit of the building or structure utilizing the one or more parameter values that correspond to the direct physical parameters of the building or structure.
Claim 53
Independent Claim
260 words
A method of operating a ventilation unit of a building or structure, comprising: interacting with a controller equipped with a controller interface having one or more input selectors that are configured to accept one or more parameter values that each correspond to a direct physical parameter of the building or structure, wherein the one or more parameter values includes an area parameter value and/or a number of bedrooms parameter value, and also one or more of a ventilation airflow rate input parameter value, a ventilation per room input parameter value, a type of room input parameter value, an outgoing airflow rate input parameter value, a type of rooms input parameter value, a number of rooms input parameter value, a number of zones input parameter value, a number of occupants input parameter value, a leakage input parameter value, a type of windows input parameter value, a floor type input parameter value, an environmental input parameter value, a location input parameter value, an elevation input parameter value, an HVAC equipment type input parameter value, an HVAC equipment location input parameter value, an installed IAQ components input parameter value, a type of IAQ component input parameter value, an IAQ component capacity input parameter value, a filter input parameter value, and a UV lamp input parameter value; adjusting the one or more input selectors to set the one or more parameter values of the controller; and controlling the ventilation unit of the building or structure utilizing the one or more parameter values that correspond to the direct physical parameters of the building or structure.
Claim 54
Dependent Claim
43 words
The method of claim 48 , further comprising the step of converting the one or more parameter values received from the one or more input selectors into one or more control parameters that are used to control the operation of the ventilation unit.
Claim 55
Dependent Claim
26 words
The method of claim 48 , further comprising the step of displaying the one or more parameter values on a display panel of the controller interface.
Claim 56
Independent Claim
275 words
A method for providing configuration information to a controller used to control a ventilation unit of a building or structure, comprising: providing a controller equipped with a controller interface having one or more input selectors configured to accept one or more parameter values that correspond to a direct physical parameter of the building or structure, wherein the one or more parameter values includes an area parameter value and/or a number of bedrooms parameter value, and also one or more of a ventilation airflow rate input parameter value, a ventilation per room input parameter value, a type of room input parameter value, an outgoing airflow rate input parameter value, a type of rooms input parameter value, a number of rooms input parameter value, a number of zones input parameter value, a number of occupants input parameter value, a leakage input parameter value, a type of windows input parameter value, a floor type input parameter value, an environmental input parameter value, a location input parameter value, an elevation input parameter value, an HVAC equipment type input parameter value, an HVAC equipment location input parameter value, an installed IAQ components input parameter value, a type of IAQ component input parameter value, an IAQ component capacity input parameter value, a filter input parameter value, and a UV lamp input parameter value; adjusting the one or more input selectors to set the one or more parameter values of the controller; and converting the one or more parameter values received from the one or more input selectors into one or more control parameters that are used by a control algorithm of the controller to control the operation of the ventilation unit.
Claim 57
Independent Claim
275 words
A method for providing configuration information to a controller used to control a ventilation unit of a building or structure, comprising: providing a controller equipped with a controller interface having one or more input selectors configured to accept one or more parameter values that correspond to a direct physical parameter of the building or structure, wherein the one or more parameter values includes an area parameter value and/or a number of bedrooms parameter value, and also one or more of a ventilation airflow rate input parameter value, a ventilation per room input parameter value, a type of room input parameter value, an outgoing airflow rate input parameter value, a type of rooms input parameter value, a number of rooms input parameter value, a number of zones input parameter value, a number of occupants input parameter value, a leakage input parameter value, a type of windows input parameter value, a floor type input parameter value, an environmental input parameter value, a location input parameter value, an elevation input parameter value, an HVAC equipment type input parameter value, an HVAC equipment location input parameter value, an installed IAQ components input parameter value, a type of IAQ component input parameter value, an IAQ component capacity input parameter value, a filter input parameter value, and a UV lamp input parameter value; adjusting the one or more input selectors to set the one or more parameter values of the controller; and converting the one or more parameter values received from the one or more input selectors into one or more control parameters that are used by a control algorithm of the controller to control the operation of the ventilation unit.
Claim 58
Independent Claim
247 words
A method for providing configuration information to a controller used to control a ventilation unit of a building or structure, comprising: providing a controller equipped with a controller interface having one or more input selectors; inputting at least one parameter value into the controller corresponding to a direct physical parameter of the building or structure, wherein the at least one parameter value includes an area parameter value and/or a number of bedrooms parameter value, and also one or more of a ventilation airflow rate input parameter value, a ventilation per room input parameter value, a type of room input parameter value, an outgoing airflow rate input parameter value, a type of rooms input parameter value, a number of rooms input parameter value, a number of zones input parameter value, a number of occupants input parameter value, a leakage input parameter value, a type of windows input parameter value, a floor type input parameter value, an environmental input parameter value, a location input parameter value, an elevation input parameter value, an HVAC equipment type input parameter value, an HVAC equipment location input parameter value, an installed IAQ components input parameter value, a type of IAQ component input parameter value, an IAQ component capacity input parameter value, a filter input parameter value, and a UV lamp input parameter value; and converting the inputted parameter values into one or more control parameters that are used by a control algorithm of the controller to control the operation of the ventilation unit.
Claim 59
Independent Claim
247 words
A method for providing configuration information to a controller used to control a ventilation unit of a building or structure, comprising: providing a controller equipped with a controller interface having one or more input selectors; inputting at least one parameter value into the controller corresponding to a direct physical parameter of the building or structure, wherein the at least one parameter value includes an area parameter value and/or a number of bedrooms parameter value, and also one or more of a ventilation airflow rate input parameter value, a ventilation per room input parameter value, a type of room input parameter value, an outgoing airflow rate input parameter value, a type of rooms input parameter value, a number of rooms input parameter value, a number of zones input parameter value, a number of occupants input parameter value, a leakage input parameter value, a type of windows input parameter value, a floor type input parameter value, an environmental input parameter value, a location input parameter value, an elevation input parameter value, an HVAC equipment type input parameter value, an HVAC equipment location input parameter value, an installed IAQ components input parameter value, a type of IAQ component input parameter value, an IAQ component capacity input parameter value, a filter input parameter value, and a UV lamp input parameter value; and converting the inputted parameter values into one or more control parameters that are used by a control algorithm of the controller to control the operation of the ventilation unit.
Claim 60
Independent Claim
239 words
A method for providing configuration information to a controller used to control a ventilation unit of a building or structure, comprising: providing a controller equipped with a controller interface; inputting a first set-point value into the controller interface, the first set-point value corresponding directly to the area of the building or structure to be ventilated; inputting a second set-point value into the controller interface, the second set-point value corresponding to one of the following input parameters: a ventilation airflow rate unit input parameter, a ventilation per room input parameter, a type of room input parameter, an outgoing airflow rate input parameter, a type of rooms input parameter, a number of rooms input parameter, a number of zones input parameter, a number of occupants input parameter, a leakage input parameter, a type of windows input parameter, a floor type input parameter, an environmental input parameter, a location input parameter, an elevation input parameter, an HVAC equipment type input parameter, an HVAC equipment location input parameter, an installed IAQ components input parameter, a type of IAQ component input parameter, an IAQ component capacity input parameter, a filter input parameter, and a UV lamp input parameter; and inputting a third set-point value into the controller interface, the third set-point value corresponding directly to the number of bedrooms within the building or structure converting the inputted set-point values into one or more control parameters that help control the operation of the ventilation unit.
Claim 61
Independent Claim
239 words
A method for providing configuration information to a controller used to control a ventilation unit of a building or structure, comprising: providing a controller equipped with a controller interface; inputting a first set-point value into the controller interface, the first set-point value corresponding directly to the area of the building or structure to be ventilated; inputting a second set-point value into the controller interface, the second set-point value corresponding to one of the following input parameters: a ventilation airflow rate unit input parameter, a ventilation per room input parameter, a type of room input parameter, an outgoing airflow rate input parameter, a type of rooms input parameter, a number of rooms input parameter, a number of zones input parameter, a number of occupants input parameter, a leakage input parameter, a type of windows input parameter, a floor type input parameter, an environmental input parameter, a location input parameter, an elevation input parameter, an HVAC equipment type input parameter, an HVAC equipment location input parameter, an installed IAQ components input parameter, a type of IAQ component input parameter, an IAQ component capacity input parameter, a filter input parameter, and a UV lamp input parameter; and inputting a third set-point value into the controller interface, the third set-point value corresponding directly to the number of bedrooms within the building or structure converting the inputted set-point values into one or more control parameters that help control the operation of the ventilation unit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2014-07-11 | 2015-01-10 | 2015-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2018-07-11 | 2019-01-10 | 2019-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2022-07-11 | 2023-01-10 | 2023-07-12 | $7700.00 | Window Closed / Lapsed |