Patent US2738655A successfully refreshed from Google Patents.
US2738655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary refrigerating air conditioner
Assignee: —
•
Filing: —
•
Granted: 1956-03-20
•
Expires: 1973-03-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:56
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/022; F25; F25B; F25B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2318893A
Cited
US2311622A
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US2336735A
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US2363974A
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US2466876A
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US2513679A
Cited
US2630687A
Cited
US2525868A
Cited
US2694553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |