US2668698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Individual
•
Filing: 1952-01-23
•
Granted: 1954-02-09
•
Expires: 1972-01-23
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Rollins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:51
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/16; F02M19/00; F02M19/02; F02M19/0217; F02M7/00; F02M7/12; F02M7/133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1153077A
Cited
GB145927A
Cited
US1580834A
Cited
US1597072A
Cited
US1725218A
Cited
US2186829A
Cited
US2315052A
Cited
US2399637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |