US2375479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed governor for internalcombustion engines
Assignee: Individual
•
Filing: 1943-01-13
•
Granted: 1945-05-08
•
Expires: 1963-01-13
Abstract
No abstract record available.
Inventors
- 👤 Langhaar Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:07
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/02; F02D2009/0201; F02D2009/0215; F02D2009/0218; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0235; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7753
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) | 1948-05-07 | 1948-11-06 | 1949-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-07 | 1952-11-06 | 1953-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-07 | 1956-11-06 | 1957-05-08 | $7700.00 | Window Closed / Lapsed |