US2695008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic cylinder and expansible piston arrangement
Assignee: Individual
•
Filing: 1950-04-17
•
Granted: 1954-11-23
•
Expires: 1970-04-17
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1447; F15B15/20; F15B15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1530505A
Cited
US1681444A
Cited
US1910240A
Cited
US2204365A
Cited
US2288511A
Cited
US2312579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |