Patent US1934665A successfully refreshed from Google Patents.
US1934665A
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US
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Timing relay element
Assignee: Westinghouse Electric Corp
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Filing: 1933-02-01
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Granted: 1933-11-07
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Expires: 1953-02-01
Abstract
No abstract record available.
Inventors
- 👤 Shirley L Goldsborough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:30
CPC Classifications
G; G07; G07D; G07D5/00; G07D5/02; H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/42; H02; H02H; H02H3/00; H02H3/40; H02H3/42; H02H7/00; H02H7/26; H02H7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-11-06 | 1937-05-08 | 1937-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-06 | 1941-05-08 | 1941-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-06 | 1945-05-08 | 1945-11-07 | $7700.00 | Window Closed / Lapsed |