US2946316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic cylinder and piston
Assignee: International Business Machines Corp
•
Filing: 1953-03-05
•
Granted: 1960-07-26
•
Expires: 1973-03-05
Abstract
No abstract record available.
Inventors
- 👤 Bruehl Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:13
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR789056A
Cited
US2420666A
Cited
US2366832A
Cited
US2475206A
Cited
US2382457A
Cited
US2408980A
Cited
US2563194A
Cited
US2679827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |