US2920378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of commutators
Assignee: Motors Liquidation Co
•
Filing: 1953-10-22
•
Granted: 1960-01-12
•
Expires: 1973-10-22
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
2026-10-29 20:36
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
US1693997A
Cited
US1332968A
Cited
US1676442A
Cited
US2532397A
Cited
US2451500A
Cited
US2677874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |