US2097409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle control for internal combustion engines
Assignee: Eclipse Machine Co
•
Filing: 1931-12-28
•
Granted: 1937-10-26
•
Expires: 1951-12-28
Abstract
No abstract record available.
Inventors
- 👤 Daniel L Wertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:08
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/08; F02D9/10; F02D9/1005; F02D9/102; F02D9/1065; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87499; Y10T137/87523; Y10T137/87531
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1940-10-25 | 1941-04-26 | 1941-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-25 | 1945-04-26 | 1945-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-25 | 1949-04-26 | 1949-10-26 | $7700.00 | Window Closed / Lapsed |