US2674853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion imparting hydraulic apparatus
Assignee: Denison Engineering Co
•
Filing: 1952-05-02
•
Granted: 1954-04-13
•
Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 Ellis H Born
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:08
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/02; Y; Y10; Y10S; Y10S37/00; Y10S37/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US757970A
Cited
US1530881A
Cited
FR561784A
Cited
US1921380A
Cited
US1989212A
Cited
US2350066A
Cited
US2505951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |