Patent US3437264A successfully refreshed from Google Patents.
US3437264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vane-type rotary mechanism
Assignee: Motors Liquidation Co
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Filing: 1968-06-03
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Granted: 1969-04-08
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Expires: 1988-06-03
Abstract
No abstract record available.
Inventors
- 👤 Robert P Rohde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:14
CPC Classifications
F; F02; F02B; F02B33/00; F02M; F02M2700/00; F02M2700/33; F02M2700/331; F02M2700/333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1012440A
Cited
US993053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |