US3167253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control arrangement for air distributing units
Assignee: Carrier Corp
•
Filing: 1961-07-27
•
Granted: 1965-01-26
•
Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Richard A Church
- 👤 Boris W Haritonoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:23
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/75; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7781; Y10T137/7793; Y10T137/7796; Y10T137/8593; Y10T137/87917; Y10T137/87981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN COMBINATION WITH AN AIR DISTRIBUTING UNIT FOR DISCHARGING CONDITIONED AIR INTO AN AREA TO BE TREATED INCLUDING A PLENUM CHAMBER, SAID PLUNUM CHAMBER BEING ADAPTED TO BE PLACED IN COMMUNICATION WITH THE SOURCE OF AIR AT A DESIRED PRESSURE, MEANS DEFINING AN OUTLET FROM SAID PLENUM CHAMBER INTO AN AREA TO BE TREATED, AND A VARIABLE VOLUME CONTROL CHAMBER FOR REGULATING THE QUANTITY OF CONDITIONED AIR SUPPLIED TO THE AREA TO BE TREATED THROUGH THE OUTLET, A CONTROL ARRANGEMENT FOR CONTROLLING THE VOLUME OF THE CONTROL CHAMBER INCLUDING A VALVE HAVING TWO CHAMBER THEREIN, ONE CHAMBER CONNECTED TO THE PLENUM CHAMBER AND THE OTHER CHAMBER CONNECTED TO THE VARIABLE VOLUME CONTROL CHAMBER, MEANS FORMING A FIRST
Claim 2
Dependent Claim
117 words
IN COMBINATION WITH AN AIR DISTRIBUTING UNIT FOR DISCHARGING CONDITIONED AIR INTO AN AREA TO BE TREATED INCLUDING A PLENUM CHAMBER, SAID PLUNUM CHAMBER BEING ADAPTED TO BE PLACED IN COMMUNICATION WITH THE SOURCE OF AIR AT A DESIRED PRESSURE, MEANS DEFINING AN OUTLET FROM SAID PLENUM CHAMBER INTO AN AREA TO BE TREATED, AND A VARIABLE VOLUME CONTROL CHAMBER FOR REGULATING THE QUANTITY OF CONDITIONED AIR SUPPLIED TO THE AREA TO BE TREATED THROUGH THE OUTLET, A CONTROL ARRANGEMENT FOR CONTROLLING THE VOLUME OF THE CONTROL CHAMBER INCLUDING A VALVE HAVING TWO CHAMBER THEREIN, ONE CHAMBER CONNECTED TO THE PLENUM CHAMBER AND THE OTHER CHAMBER CONNECTED TO THE VARIABLE VOLUME CONTROL CHAMBER, MEANS FORMING A FIRST
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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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |