US2766645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gap rolling method
Assignee: Motors Liquidation Co
•
Filing: 1952-08-20
•
Granted: 1956-10-16
•
Expires: 1972-08-20
Abstract
No abstract record available.
Inventors
- 👤 Charles A Nichols
- 👤 George L Weiser
- 👤 Robert W Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:35
CPC Classifications
B; B21; B21H; B21H7/00; B21H7/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1620422A
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US1850026A
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US1883519A
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US2577747A
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US2654277A
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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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |