Patent US2894378A successfully refreshed from Google Patents.
US2894378A
Expired / Lapsed
US
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Refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1957-05-17
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Granted: 1959-07-14
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Expires: 1977-05-17
Abstract
No abstract record available.
Inventors
- 👤 Orson V Saunders
- 👤 Carl F Petkwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:36
CPC Classifications
F; F25; F25D; F25D25/00; F25D25/005; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D23/00; F25D23/02; F25D23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114882A
Cited
US2219833A
Cited
US2242407A
Cited
US2255503A
Cited
US2694906A
Cited
US2745260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |