Patent US3010289A successfully refreshed from Google Patents.
US3010289A
Expired / Lapsed
US
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Refrigeration system with variable speed compressor
Assignee: Carrier Corp
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Filing: 1959-04-14
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Granted: 1961-11-28
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Expires: 1979-04-14
Abstract
No abstract record available.
Inventors
- 👤 Henry W Kuklinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:04
CPC Classifications
F; F25; F25B; F25B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734346A
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US2134107A
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US2286316A
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US2400665A
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US2462514A
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US2498861A
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US2786334A
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US2887853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |