Patent US2387622A successfully refreshed from Google Patents.
US2387622A
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Refrigeration apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1943-03-08
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Granted: 1945-10-23
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Expires: 1963-03-08
Abstract
No abstract record available.
Inventors
- 👤 Elo C Tanner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:04
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0404; A47F3/0408; F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D19/00; F25D19/02; F25D2317/00; F25D2317/06; F25D2317/065; F25D2317/0651; F25D2317/0654; F25D2317/066; F25D2317/0661; F25D2317/0664; F25D2331/00; F25D2331/80; F25D2331/803; F25D2400/00; F25D2400/10
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) | 1948-10-22 | 1949-04-23 | 1949-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-22 | 1953-04-23 | 1953-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-22 | 1957-04-23 | 1957-10-23 | $7700.00 | Window Closed / Lapsed |