US3244223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and cooling system and apparatus for enclosures
Assignee: Individual
•
Filing: 1963-11-14
•
Granted: 1966-04-05
•
Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ray C Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:33
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/80; F24F11/83; F24F11/84; F24F3/00; F24F3/06; F24F3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A HEATING AND COOLING SYSTEM AND APPARATUS FOR AN ENCLOSURE, MEANS FOR MAINTAINING A CONSTANT TEMPERATURE IN THE ENCLOSURE INCLUDING A HEAT EXCHANGE UNIT, HEATING MEANS FOR PROVIDING A VARIABLE TEMPERATURE IN SAID ENCLOSURE INCLUDING A HEAT EXCHANGER AT FLOOR LEVEL OF THE ENCLOSURE COOLING MEANS FOR PROVIDING A VARIABLE TEMPERATURE IN SAID ENCLOSURE AND INCLUDING A HEAT EXCHANGE UNIT LOCATED AT CEILING LEVEL OF SAID ENCLOSURE, SAID VARIABLE TEMPERATURE HEATING MEANS AND SAID VARIABLE TEMPERATURE COOLING MEANS ARRANGED TO PROVIDE A CONVECTION FLOW OF HEATING OR COOLING AIR ALONG A WALL OF SAID ENCLOSURE, AND MEANS FOR PROVIDING A HEATING OR A COOLING MEDIUM TO BOTH SAID CONSTANT TEMPERATURE PRODUCING MEANS AND SAID VARIABLE TEMEPRATURE PROVIDING MEANS.
Claim 2
Dependent Claim
119 words
IN A HEATING AND COOLING SYSTEM AND APPARATUS FOR AN ENCLOSURE, MEANS FOR MAINTAINING A CONSTANT TEMPERATURE IN THE ENCLOSURE INCLUDING A HEAT EXCHANGE UNIT, HEATING MEANS FOR PROVIDING A VARIABLE TEMPERATURE IN SAID ENCLOSURE INCLUDING A HEAT EXCHANGER AT FLOOR LEVEL OF THE ENCLOSURE COOLING MEANS FOR PROVIDING A VARIABLE TEMPERATURE IN SAID ENCLOSURE AND INCLUDING A HEAT EXCHANGE UNIT LOCATED AT CEILING LEVEL OF SAID ENCLOSURE, SAID VARIABLE TEMPERATURE HEATING MEANS AND SAID VARIABLE TEMPERATURE COOLING MEANS ARRANGED TO PROVIDE A CONVECTION FLOW OF HEATING OR COOLING AIR ALONG A WALL OF SAID ENCLOSURE, AND MEANS FOR PROVIDING A HEATING OR A COOLING MEDIUM TO BOTH SAID CONSTANT TEMPERATURE PRODUCING MEANS AND SAID VARIABLE TEMEPRATURE PROVIDING MEANS.
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |