US2939680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancer lowering assist
Assignee: Motors Liquidation Co
•
Filing: 1952-01-02
•
Granted: 1960-06-07
•
Expires: 1972-01-02
Abstract
No abstract record available.
Inventors
- 👤 Edgar R Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:31
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/12; B66D2700/00; B66D2700/02; B66D2700/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US479136A
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US1447694A
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US1464294A
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US1459032A
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US1522047A
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US2094182A
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US2246923A
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US2342020A
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US2481037A
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US2646244A
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US2570914A
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US2600887A
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US2596560A
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US2620160A
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US2680004A
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US2640113A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |