Patent JPS60158231A successfully refreshed from Google Patents.
US2562609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: American Motors Corp
•
Filing: 1948-10-07
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Granted: 1951-07-31
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Expires: 1968-10-07
Abstract
No abstract record available.
Inventors
- 👤 Alvah V Frohnapel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:08
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/02; F25D23/026; Y; Y10; Y10S; Y10S49/00; Y10S49/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1719220A
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US1856881A
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US2047461A
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US2331512A
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US2321753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |