Patent US2816211A successfully refreshed from Google Patents.
US2816211A
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US
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Refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1954-08-18
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Granted: 1957-12-10
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Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Everett C Hutchins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:57
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US376750A
Cited
US1837103A
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US1847837A
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DE614381C
Cited
US1971117A
Cited
CH186339A
Cited
US2290619A
Cited
US2356901A
Cited
US2485926A
Cited
US2538882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |