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US3096789A
Expired / Lapsed
US
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Dash control parking brake valve
Assignee: Berg Airlectro Products Co
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Filing: 1961-01-23
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Granted: 1963-07-09
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Horowitz Charles
- 👤 Harold L Dobrikin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:39
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/04; B60T15/041; F; F16; F16K; F16K1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1921092A
Cited
US2717003A
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US2783020A
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US2923576A
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US2896664A
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US2896665A
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US3042061A
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US2991801A
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US3049099A
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FR1238932A
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US2985143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |