US3516764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic gear mechanisms
Assignee: Individual
•
Filing: 1968-10-28
•
Granted: 1970-06-23
•
Expires: 1988-10-28
Abstract
No abstract record available.
Inventors
- 👤 Finn Feroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:43
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0007; F04C15/0019; F04C2/00; F04C2/08; F04C2/082; F04C2/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US164147A
Cited
US1783209A
Cited
US2526964A
Cited
US2837031A
Cited
US3067691A
Cited
US3429270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |