US3082955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective automotive vacuum control valve
Assignee: Dole Valve Co
•
Filing: 1957-12-17
•
Granted: 1963-03-26
•
Expires: 1977-12-17
Abstract
No abstract record available.
Inventors
- 👤 Frank E Obermaier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:04
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00485; G; G05; G05D; G05D23/00; G05D23/185; G05D23/1854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2929310A
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |