US1449074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-control mechanism for internal-combustion engines
Assignee: Individual
•
Filing: 1920-05-06
•
Granted: 1923-03-20
•
Expires: 1940-05-06
Abstract
No abstract record available.
Inventors
- 👤 Harry L Tygard
- 👤 George M Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:54
CPC Classifications
F; F02; F02M; F02M23/00; F02M23/02; F02M23/025; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
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) | 1926-03-19 | 1926-09-18 | 1927-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-03-19 | 1930-09-18 | 1931-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-03-19 | 1934-09-18 | 1935-03-20 | $7700.00 | Window Closed / Lapsed |