Patent US2527790A successfully refreshed from Google Patents.
US2527790A
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US
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Refrigeration apparatus control
Assignee: International Motors LLC
•
Filing: 1946-04-03
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Granted: 1950-10-31
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Expires: 1966-04-03
Abstract
No abstract record available.
Inventors
- 👤 William F Borgerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
F; F25; F25B; F25B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1796627A
Cited
US1943962A
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US1943964A
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US1943965A
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US2286758A
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US2318893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |