US2686850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
General purpose relay
Assignee: TDK Micronas GmbH
•
Filing: 1950-10-26
•
Granted: 1954-08-17
•
Expires: 1970-10-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:49
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/56; H01H50/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069171A
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US2190381A
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US2077091A
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US1997655A
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US2120980A
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US2282687A
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US2426253A
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US2488669A
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US2602867A
Cited
US2616993A
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US2566840A
Cited
US2632065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |