US2681564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Painted slip ring structure and method of making same
Assignee: Individual
•
Filing: 1953-04-23
•
Granted: 1954-06-22
•
Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 Jr James R Jeromson
- 👤 Jr Daniel K Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:36
CPC Classifications
H; H01; H01R; H01R39/00; G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1819246A
Cited
US2450263A
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US2473526A
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US2478536A
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US2434438A
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US2628299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |