US2561930A
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US
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Assignee: Triplett Electrical Instrument Co
•
Filing: 1948-01-30
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Granted: 1951-07-24
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Expires: 1968-01-30
Abstract
No abstract record available.
Inventors
- 👤 George H Klay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:21
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58; H01H19/02; H01H19/10; H01H19/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB201092A
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US1950156A
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US2049585A
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US2049584A
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US1995671A
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US2039957A
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US2106054A
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US2128279A
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US2373861A
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US2399906A
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US2426387A
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US2421983A
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US2447718A
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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) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |