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Patent US2651182A successfully refreshed from Google Patents.
US2651182A
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US
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Control system for refrigerant condensing units
Assignee: International Motors LLC
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Filing: 1950-12-29
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Granted: 1953-09-08
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Expires: 1970-12-29
Abstract
No abstract record available.
Inventors
- 👤 William F Borgerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:17
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/027; F25B2339/00; F25B2339/04; F25B2339/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1512793A
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US1601477A
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US1943759A
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US2185965A
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US2159592A
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US2210325A
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US2389073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |