Patent US2022469A successfully refreshed from Google Patents.
US2022469A
Expired / Lapsed
US
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Refrigerating apparatus
Assignee: Motors Liquidation Co
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Filing: 1932-12-27
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Granted: 1935-11-26
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Expires: 1952-12-27
Abstract
No abstract record available.
Inventors
- 👤 Lloyd M Keighley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:52
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/002; F25D21/004; F25B; F25B47/00; F25B47/02; F25B47/022; F25D29/00; F25D2400/00; F25D2400/30
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) | 1938-11-25 | 1939-05-27 | 1939-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-25 | 1943-05-27 | 1943-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-25 | 1947-05-27 | 1947-11-26 | $7700.00 | Window Closed / Lapsed |