Patent US2534733A successfully refreshed from Google Patents.
US2534733A
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US
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Speed responsive device
Assignee: ELIZABETH LEIGHTON RANDOL
•
Filing: 1946-01-05
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Granted: 1950-12-19
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Expires: 1966-01-05
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Randol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:07
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/10; G; G05; G05D; G05D13/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18856; Y10T74/18864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US625363A
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US660047A
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US791694A
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US1401587A
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US1370749A
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US1419626A
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US1680944A
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US2083343A
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US2164667A
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US2338859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |