Patent US2922293A successfully refreshed from Google Patents.
US2922293A
Expired / Lapsed
US
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Window mounted air conditioning apparatus
Assignee: Individual
•
Filing: 1955-04-11
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Granted: 1960-01-26
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Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Charles H Peix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:58
CPC Classifications
F; F24; F24F; F24F1/00; B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2654227A
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US2525869A
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US2576549A
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US2767638A
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US2780928A
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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) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |