US3411705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration compressor
Assignee: Westinghouse Electric Corp
•
Filing: 1966-11-29
•
Granted: 1968-11-19
•
Expires: 1986-11-29
Abstract
No abstract record available.
Inventors
- 👤 Elliott E Grover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:25
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/02; Y; Y10; Y10S; Y10S417/00; Y10S417/902; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1262689A
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US1519996A
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US1882220A
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US1903853A
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US1796796A
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US1968985A
Cited
US2054640A
Cited
US2529349A
Cited
US2571420A
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US3255954A
Cited
US3264842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |