US2572169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Individual
•
Filing: 1945-08-06
•
Granted: 1951-10-23
•
Expires: 1965-08-06
Abstract
No abstract record available.
Inventors
- 👤 Mallory Marion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:13
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/0243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1850307A
Cited
US1841778A
Cited
US1945200A
Cited
US2182090A
Cited
US2232392A
Cited
US2392055A
Cited
US2361227A
Cited
US2316327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |