Patent US2831934A successfully refreshed from Google Patents.
US2831934A
Expired / Lapsed
US
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Potential relay
Assignee: General Electric Co
•
Filing: 1955-03-21
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Granted: 1958-04-22
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Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Don E Moran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:23
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/34; H01H50/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US618509A
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US1103530A
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US1360281A
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US1552446A
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US2037118A
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US2290489A
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US2351377A
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US2471181A
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US2462894A
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GB619089A
Cited
US2588257A
Cited
US2542174A
Cited
US2547131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |