Patent US3057545A successfully refreshed from Google Patents.
US3057545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1960-04-11
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Granted: 1962-10-09
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 George P Ransom
- 👤 William K Steinhagen
- 👤 Donald C Unger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:55
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/08; F04B27/0873; F04B27/0878; F04B27/10; F04B27/1036; F04B27/1045; F04B27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077986A
Cited
US1229009A
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FR562232A
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FR836476A
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US2386675A
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US2491011A
Cited
GB610428A
Cited
FR1058195A
Cited
US2798663A
Cited
US2868443A
Cited
US2864551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |