US2686432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical infinitely variable speed transmission
Assignee: WALTER E GUDERT
•
Filing: 1949-10-28
•
Granted: 1954-08-17
•
Expires: 1969-10-28
Abstract
No abstract record available.
Inventors
- 👤 Bergmann Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:11
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/76; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19963; Y10T74/19967
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US795386A
Cited
US1242618A
Cited
US1717019A
Cited
DE524946C
Cited
US2026928A
Cited
US2066748A
Cited
US2407114A
Cited
US2500723A
Cited
US2573140A
Cited
US2455407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |