US2690132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable vaned element
Assignee: Packard Motor Car Co
•
Filing: 1951-07-30
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Granted: 1954-09-28
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Expires: 1971-07-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Misch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:02
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/24; F16H41/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US853334A
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US1966104A
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US2040640A
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US1996229A
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US2294837A
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US2351517A
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FR895885A
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US2503025A
Cited
US2478306A
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US2597510A
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US2598367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |