US1503484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutator and process of manufacture
Assignee: REMY ELECTRIC CO
•
Filing: 1920-08-23
•
Granted: 1924-08-05
•
Expires: 1940-08-23
Abstract
No abstract record available.
Inventors
- 👤 Oliver F Conklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:58
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/02; 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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-08-05 | 1928-02-04 | 1928-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-08-05 | 1932-02-04 | 1932-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-08-05 | 1936-02-04 | 1936-08-05 | $7700.00 | Window Closed / Lapsed |