US2944646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburettor vacuum control device
Assignee: Individual
•
Filing: 1957-06-06
•
Granted: 1960-07-12
•
Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 Willmer Victor George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:18
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1799430A
Cited
US2035775A
Cited
US2115878A
Cited
US2353524A
Cited
US2420786A
Cited
US2415491A
Cited
US2453125A
Cited
US2763285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |