US2962952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning unit
Assignee: Carrier Corp
•
Filing: 1957-03-01
•
Granted: 1960-12-06
•
Expires: 1977-03-01
Abstract
No abstract record available.
Inventors
- 👤 William L Mcgrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:26
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/01; F24F13/00; F24F13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB705873A
Cited
US612480A
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US2122168A
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US2140305A
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US2287267A
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US2345536A
Cited
US2567758A
Cited
US2778688A
Cited
US2854915A
Cited
US2783979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |