Patent US1486522A successfully refreshed from Google Patents.
US1486522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Individual
•
Filing: 1920-08-26
•
Granted: 1924-03-11
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Expires: 1940-08-26
Abstract
No abstract record available.
Inventors
- 👤 Walter A Inman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:12
CPC Classifications
F; F02; F02M; F02M69/00; F02M2700/00; F02M2700/43; F02M2700/4397; Y; Y10; Y10S; Y10S261/00; Y10S261/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-03-11 | 1927-09-10 | 1928-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-03-11 | 1931-09-10 | 1932-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-03-11 | 1935-09-10 | 1936-03-11 | $7700.00 | Window Closed / Lapsed |