US2375859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1940-12-06
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Granted: 1945-05-15
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Expires: 1960-12-06
Abstract
No abstract record available.
Inventors
- 👤 Gerald P Marcy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:03
CPC Classifications
F; F25; F25D; F25D29/00; F25D29/005; F25B; F25B2600/00; F25B2600/02; F25B2600/025; F25B2600/0251; F25B49/00; F25B49/02; F25B49/025; F25D2700/00; F25D2700/10
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) | 1948-05-14 | 1948-11-13 | 1949-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-14 | 1952-11-13 | 1953-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-14 | 1956-11-13 | 1957-05-15 | $7700.00 | Window Closed / Lapsed |