US2446339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed density carburetor
Assignee: Individual
•
Filing: 1946-02-09
•
Granted: 1948-08-03
•
Expires: 1966-02-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Andrew William Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
F; F02; F02M; F02M69/00; F02M2700/00; F02M2700/43; F02M2700/4397
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2126709A
Cited
GB429682A
Cited
US2136959A
Cited
US2217364A
Cited
US2102476A
Cited
US2161743A
Cited
US2281411A
Cited
US2388669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |