US2677874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of commutators
Assignee: Motors Liquidation Co
•
Filing: 1950-08-01
•
Granted: 1954-05-11
•
Expires: 1970-08-01
Abstract
No abstract record available.
Inventors
- 👤 Charles A Nichols
- 👤 Carl L Clevenger
- 👤 William A Fletcher
- 👤 Forest L Zion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:31
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1296969A
Cited
US1282051A
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US1676442A
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US1587445A
Cited
US1898696A
Cited
US2499539A
Cited
US2509021A
Cited
US2516681A
Cited
US2507780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |