US1257494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve-controlling mechanism for carbureters.
Assignee: Individual
•
Filing: 1916-06-08
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Granted: 1918-02-26
•
Expires: 1936-06-08
Abstract
No abstract record available.
Inventors
- 👤 Gustave A Krohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:11
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/0076; F02M37/0088; F17; F17C; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0134; F17C2205/0142; Y; Y10; Y10S; Y10S261/00; Y10S261/39; Y10T; Y10T137/00; Y10T137/4673; Y10T137/8593; Y10T137/87056
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) | 1921-02-25 | 1921-08-27 | 1922-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-02-25 | 1925-08-27 | 1926-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-02-25 | 1929-08-27 | 1930-02-26 | $7700.00 | Window Closed / Lapsed |