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US2857746A
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Refrigerating apparatus
Assignee: American Motors Corp
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Filing: 1953-07-08
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Granted: 1958-10-28
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Expires: 1973-07-08
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Philipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:03
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR554074A
Cited
US2021298A
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US2042497A
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US2463035A
Cited
US2540062A
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US2666301A
Cited
US2587246A
Cited
US2638753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |