Patent US2999629A successfully refreshed from Google Patents.
US2999629A
Expired / Lapsed
US
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Interchangeable, hermetic and opentype refrigeration compressor
Assignee: Worthington Corp
•
Filing: 1959-04-23
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Granted: 1961-09-12
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Expires: 1979-04-23
Abstract
No abstract record available.
Inventors
- 👤 Soumerai Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:05
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/022; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1107687A
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US1565640A
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US1761036A
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US1917760A
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US2138093A
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US2466193A
Cited
US2752088A
Cited
US2862656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |