Patent US4443983A successfully refreshed from Google Patents.
Patent US2620667A successfully refreshed from Google Patents.
US2620667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Borg Warner Corp
•
Filing: 1945-06-18
•
Granted: 1952-12-09
•
Expires: 1965-06-18
Abstract
No abstract record available.
Inventors
- 👤 George E Flinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:01
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/091; F16H3/0915; B; B60; B60W; B60W30/00; B60W30/18; B60W30/1819; B60K; B60K2702/00; B60K2702/08; B60K2702/18; Y; Y10; Y10S; Y10S74/00; Y10S74/02; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2306865A
Cited
US2195365A
Cited
US2229907A
Cited
US2051553A
Cited
US2129259A
Cited
US2109443A
Cited
US2275944A
Cited
US2137953A
Cited
US2192078A
Cited
US2227879A
Cited
US2322479A
Cited
US2252009A
Cited
US2291690A
Cited
US2328273A
Cited
US2351067A
Cited
US2360976A
Cited
US2373259A
Cited
US2397883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |