US3427901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gearing
Assignee: Individual
•
Filing: 1966-10-14
•
Granted: 1969-02-18
•
Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest Wildhaber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:35
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/32; F16H2001/2881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US978371A
Cited
US2170951A
Cited
FR889846A
Cited
US2750814A
Cited
US2906143A
Cited
US2863336A
Cited
US3056315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |