US2942456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acceleration responsive devices
Assignee: Robertshaw Controls Co
•
Filing: 1954-09-10
•
Granted: 1960-06-28
•
Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward V Hardway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:59
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/135; G05; G05D; G05D1/00; G05D1/0055; G05D1/0066; H; H01; H01H; H01H35/00; H01H35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1288128A
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US1400229A
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GB446230A
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US2065594A
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US2280114A
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US2453548A
Cited
GB625511A
Cited
US2686853A
Cited
US2731526A
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US2802204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |