US3451290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear drive with axially overlapping gears
Assignee: Individual
•
Filing: 1967-04-03
•
Granted: 1969-06-24
•
Expires: 1987-04-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest Wildhaber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:33
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/32; F16H2001/2881; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/21; Y10T74/2173; Y10T74/2177
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US908529A
Cited
US1514938A
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US2049696A
Cited
US2482568A
Cited
FR1097256A
Cited
US2881619A
Cited
FR1184067A
Cited
US2966078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |