Patent US3031859A successfully refreshed from Google Patents.
US3031859A
Expired / Lapsed
US
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Refrigerating apparatus with defrosting means
Assignee: Motors Liquidation Co
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Filing: 1960-06-23
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Granted: 1962-05-01
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Expires: 1980-06-23
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Mann
- 👤 Clifford H Wurtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:29
CPC Classifications
F; F25; F25B; F25B47/00; F25B47/02; F25B47/022; Y; Y10; Y10S; Y10S62/00; Y10S62/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2359595A
Cited
US2882695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |