US2934813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming slip rings
Assignee: Luvata Ohio Inc
•
Filing: 1953-07-09
•
Granted: 1960-05-03
•
Expires: 1973-07-09
Abstract
No abstract record available.
Inventors
- 👤 Paul W Nippert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:08
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011; Y10T29/49995; Y10T29/49996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US532174A
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US1225915A
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US1622179A
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US1695884A
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US1756004A
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US2400590A
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US2446542A
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US2476795A
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US2572956A
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US2725615A
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US2753620A
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US2671865A
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US2688793A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |