Patent US1966632A successfully refreshed from Google Patents.
US1966632A
Expired / Lapsed
US
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Air conditioner
Assignee: LARKIN REFRIGERATING Corp
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Filing: 1933-09-01
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Granted: 1934-07-17
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Expires: 1953-09-01
Abstract
No abstract record available.
Inventors
- 👤 Lester U Larkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:05
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0007; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/302; Y10S165/311; Y10S165/312
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-07-16 | 1938-01-15 | 1938-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-16 | 1942-01-15 | 1942-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-16 | 1946-01-15 | 1946-07-17 | $7700.00 | Window Closed / Lapsed |