US3421343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine drive system
Assignee: Continental Motors Corp
•
Filing: 1966-08-01
•
Granted: 1969-01-14
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 William A Wiseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:45
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/12; F16D; F16D3/00; F16D3/80; F16F15/1202; F16F15/121; F16F15/123; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2183; Y10T74/2184
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1751496A
Cited
US1872763A
Cited
US1865116A
Cited
US1965742A
Cited
US2277186A
Cited
US2248791A
Cited
US2367709A
Cited
US2346432A
Cited
US3296887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |