US2773398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission control and guard
Assignee: Individual
•
Filing: 1953-04-27
•
Granted: 1956-12-11
•
Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Norman R Swain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:07
CPC Classifications
B; B62; B62M; B62M25/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20037; Y10T74/20396; Y10T74/20402; Y10T74/20462; Y10T74/20576; Y10T74/2093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |