Patent US2515212A successfully refreshed from Google Patents.
US2515212A
Expired / Lapsed
US
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Refrigerating apparatus
Assignee: American Motors Corp
•
Filing: 1947-07-24
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Granted: 1950-07-18
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Expires: 1967-07-24
Abstract
No abstract record available.
Inventors
- 👤 Giffard Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:29
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/06; F25D23/065; F25D23/068; F25D11/00; F25D11/02; F25D11/022; Y; Y10; Y10S; Y10S62/00; Y10S62/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2133958A
Cited
US2411461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |