Patent US3354947A successfully refreshed from Google Patents.
US3354947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-conditioning system for a mobile home
Assignee: Individual
•
Filing: 1965-12-20
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Granted: 1967-11-28
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Philip R Mckinnon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:38
CPC Classifications
F; F24; F24F; F24F5/00; F24D; F24D5/00; F24D5/02; F24F13/00; F24F13/02; F24F13/0236
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A MOBILE HOME EQUIPPED WITH A CENTRAL HEATING SYSTEM THAT INCLUDES A BUILT-IN HOT-AIR DUCT OF SMALL CROSSSECTIONAL AREA HAVING VENTS OPENING THEREALONG INTO THE MOBILE HOME INTERIOR, AN AIR-CONDITIONING SYSTEM COMPRISING AN AIR-CONDITIONING UNIT LOCATED EXTERIORLY OF SAID MOBILE HOME AND HAVING INTAKE AND DISCHARGE PORTS, AN INTAKE DUCT COMMUNICATING WITH THE INTERIOR OF THE MOBILE HOME AND THE INTAKE PORT OF SAID EXTERIOR AIRCONDITIONING UNIT AND BEING OF SUBSTANTIAL CROSS-SECTION FOR PASSAGE OF A LARGE VOLUME OF AIR FROM THE MOBILE HOME INTERIOR TO THE AIR-CONDITIONING UNIT, AND A DELIVERY DUCT OF SUBSTANTIAL CROSS-SECTION COMMUNICATING WITH THE DISCHARGE PORT OF SAID EXTERIOR AIR-CONDITIONING UNIT AND SAID BUILT-IN DUCT INTERMEDIATE THE ENDS OF THE BUILT-IN DUCT FOR DISTRIBUTION OF CONDITIONED AIR FROM SAID AIRCONDITIONING UNIT INTO THE MOBILE HOME THROUGH THE BUILTIN DUCT AND VENTS IN BOTH DIRECTIONS FROM SAID IMTERMEDIATE DELIVERY DUCT COMMUNICATION.
Claim 2
Dependent Claim
146 words
IN A MOBILE HOME EQUIPPED WITH A CENTRAL HEATING SYSTEM THAT INCLUDES A BUILT-IN HOT-AIR DUCT OF SMALL CROSSSECTIONAL AREA HAVING VENTS OPENING THEREALONG INTO THE MOBILE HOME INTERIOR, AN AIR-CONDITIONING SYSTEM COMPRISING AN AIR-CONDITIONING UNIT LOCATED EXTERIORLY OF SAID MOBILE HOME AND HAVING INTAKE AND DISCHARGE PORTS, AN INTAKE DUCT COMMUNICATING WITH THE INTERIOR OF THE MOBILE HOME AND THE INTAKE PORT OF SAID EXTERIOR AIRCONDITIONING UNIT AND BEING OF SUBSTANTIAL CROSS-SECTION FOR PASSAGE OF A LARGE VOLUME OF AIR FROM THE MOBILE HOME INTERIOR TO THE AIR-CONDITIONING UNIT, AND A DELIVERY DUCT OF SUBSTANTIAL CROSS-SECTION COMMUNICATING WITH THE DISCHARGE PORT OF SAID EXTERIOR AIR-CONDITIONING UNIT AND SAID BUILT-IN DUCT INTERMEDIATE THE ENDS OF THE BUILT-IN DUCT FOR DISTRIBUTION OF CONDITIONED AIR FROM SAID AIRCONDITIONING UNIT INTO THE MOBILE HOME THROUGH THE BUILTIN DUCT AND VENTS IN BOTH DIRECTIONS FROM SAID IMTERMEDIATE DELIVERY DUCT COMMUNICATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |