US2868039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed transmissions
Assignee: Individual
•
Filing: 1956-01-03
•
Granted: 1959-01-13
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Lee Royal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:42
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H15/52; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1015808A
Cited
US1995333A
Cited
US2035582A
Cited
US2223711A
Cited
US2387401A
Cited
US2445710A
Cited
US2455842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |