US2963774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of commutators having molded cores
Assignee: Dayton Precision Manufacturing Co
•
Filing: 1956-09-17
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Granted: 1960-12-13
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Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 Alfred R J Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:00
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/06; H01R43/08; B; B29; B29C; B29C70/00; B29C70/58; 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)
US2188423A
Cited
US2541047A
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FR1011170A
Cited
US2634495A
Cited
DE816437C
Cited
US2671866A
Cited
US2618844A
Cited
US2600312A
Cited
US2606221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |