Patent US2962870A successfully refreshed from Google Patents.
US2962870A
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Defrosting system and apparatus
Assignee: REVCO Inc
•
Filing: 1958-01-20
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Granted: 1960-12-06
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Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Arb Edward J Von
- 👤 Howard J Tenniswood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:48
CPC Classifications
F; F25; F25B; F25B47/00; F25B47/02; F25B47/022; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/067; F25D2317/00; F25D2317/06; F25D2317/065; F25D2317/0655; F25D2317/066; F25D2317/0665; F25D2317/068; F25D2317/0683
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984054A
Cited
US2336077A
Cited
US2525868A
Cited
US2591178A
Cited
US2688850A
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US2728197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |