US2956190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutators and process for manufacturing the same
Assignee: Robert Bosch GmbH
•
Filing: 1957-12-19
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Granted: 1960-10-11
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Expires: 1977-12-19
Abstract
No abstract record available.
Inventors
- 👤 Bechstein Herbert
- 👤 Sokol Gunter
- 👤 Grozinger Alfred
- 👤 Heydenbluth Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:43
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/04; B; B21; B21F; B21F45/00; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |