Patent US3129753A successfully refreshed from Google Patents.
US3129753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and cooling apparatus
Assignee: Trane Co
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Filing: 1959-04-03
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Granted: 1964-04-21
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Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 James R Davis
- 👤 Marcus C Doolittle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:08
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/30; F24F1/00; F24F1/0007; F24F1/0035; F24F1/0043; F24F1/005; F24F1/0059; F24F1/0063; F24F1/0071; F24F1/0073; F24F11/70; F24F11/80; F24F11/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
AN AIR CONDITIONING APPARATUS COMPRISING A CASING WITH A TOP, FRONT, TWO SIDES, AND A BACK, AIR OUTLET MEANS ADJACENT THE TOP OF SAID CASING, AIR INLET MEANS ADJACENT THE BOTTOM OF SAID CASING, A PAIR OF HEAT EXCHANGERS MOUNTED IN SAID CASING SUBSTANTIALLY PARALLEL TO AND SPACED FROM ONE ANOTHER AND INCLINED AT AN ANGLE TO A PLANE PARALLEL TO SAID FRONT PANEL, ONE CORNER OF ONE OF SAID HEAT EXCHANGERS BEING ADJACENT SAID FRONT PANEL AND THE DIAGONALLY OPPOSITE CORNER OF SAID OTHER HEAT EXCHANGER BEING ADJACENT THE BACK OF SAID CASING, MEANS SUBSTANTIALLY SEALING THE SPACE BETWEEN SAID CASING AND SAID HEAT EXCHANGER CORNERS WHEREBY AIR PASSING FROM SAID AIR INLET MEANS TO SAID AIR OUTLET MEANS WILL PASS EITHER THROUGH THE HEAT EXCHANGERS OR THROUGH THE SPACE THEREBETWEEN, AIR MOVING MEANS BETWEEN SAID AIR INLET MEANS AND SAID AIR OUTLET MEANS FOR CIRCULATING AIR THROUGH SAID AIR INLET MEANS AND OUT SAID AIR OUTLET MEANS, AND BYPASS DAMPER MEANS OPERABLY ASSOCIATED WITH SAID HEAT EXCHANGERS TO BYPASS THE INCOMING AIR SO THAT THE INCOMING AIR DOES NOT PASS THROUGH THE HEAT EXCHANGERS AND TO DIRECT THE BYPASS AIR THROUGH THE SPACE BETWEEN SAID HEAT EXCHANGERS.
Claim 2
Dependent Claim
199 words
AN AIR CONDITIONING APPARATUS COMPRISING A CASING WITH A TOP, FRONT, TWO SIDES, AND A BACK, AIR OUTLET MEANS ADJACENT THE TOP OF SAID CASING, AIR INLET MEANS ADJACENT THE BOTTOM OF SAID CASING, A PAIR OF HEAT EXCHANGERS MOUNTED IN SAID CASING SUBSTANTIALLY PARALLEL TO AND SPACED FROM ONE ANOTHER AND INCLINED AT AN ANGLE TO A PLANE PARALLEL TO SAID FRONT PANEL, ONE CORNER OF ONE OF SAID HEAT EXCHANGERS BEING ADJACENT SAID FRONT PANEL AND THE DIAGONALLY OPPOSITE CORNER OF SAID OTHER HEAT EXCHANGER BEING ADJACENT THE BACK OF SAID CASING, MEANS SUBSTANTIALLY SEALING THE SPACE BETWEEN SAID CASING AND SAID HEAT EXCHANGER CORNERS WHEREBY AIR PASSING FROM SAID AIR INLET MEANS TO SAID AIR OUTLET MEANS WILL PASS EITHER THROUGH THE HEAT EXCHANGERS OR THROUGH THE SPACE THEREBETWEEN, AIR MOVING MEANS BETWEEN SAID AIR INLET MEANS AND SAID AIR OUTLET MEANS FOR CIRCULATING AIR THROUGH SAID AIR INLET MEANS AND OUT SAID AIR OUTLET MEANS, AND BYPASS DAMPER MEANS OPERABLY ASSOCIATED WITH SAID HEAT EXCHANGERS TO BYPASS THE INCOMING AIR SO THAT THE INCOMING AIR DOES NOT PASS THROUGH THE HEAT EXCHANGERS AND TO DIRECT THE BYPASS AIR THROUGH THE SPACE BETWEEN SAID HEAT EXCHANGERS.
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |