US2790334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gearless differential
Assignee: Individual
•
Filing: 1953-10-12
•
Granted: 1957-04-30
•
Expires: 1973-10-12
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:31
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/12; F16H48/14; F16H48/147; F16H57/00; F16H57/04; F16H57/048; F16H57/0482; F16H57/0483; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1336950A
Cited
US1776677A
Cited
US1770314A
Cited
US1836684A
Cited
US1857978A
Cited
GB474560A
Cited
US2142575A
Cited
US2345846A
Cited
US2391350A
Cited
US2369075A
Cited
US2560779A
Cited
US2655053A
Cited
US2700310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |