US2124492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion motor
Assignee: Individual
•
Filing: 1936-05-19
•
Granted: 1938-07-19
•
Expires: 1956-05-19
Abstract
No abstract record available.
Inventors
- 👤 Marshall Thomas Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:24
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/02; F02M; F02M63/00; F02M2700/00; F02M2700/05
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) | 1941-07-18 | 1942-01-17 | 1942-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-07-18 | 1946-01-17 | 1946-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-07-18 | 1950-01-17 | 1950-07-19 | $7700.00 | Window Closed / Lapsed |