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Patent US2920463A successfully refreshed from Google Patents.
US2920463A
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Refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1957-03-04
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Granted: 1960-01-12
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Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Richard E Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:29
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/003; F25B; F25B39/00; F25B2339/00; F25B2339/04; F25B2339/043; F25D31/00; F25D31/002; F25D31/005; Y; Y10; Y10S; Y10S29/00; Y10S29/032
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2303577A
Cited
US2471960A
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US2575325A
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US2636358A
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US2679732A
Cited
US2845695A
Cited
US2850884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |