US2957734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic cylinder
Assignee: Dura Corp
•
Filing: 1956-10-02
•
Granted: 1960-10-25
•
Expires: 1976-10-02
Abstract
No abstract record available.
Inventors
- 👤 Stewart B Mclcod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:16
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/3207; F16F9/3235; F16F9/3242; F16F9/44; F16F9/46; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US150347A
Cited
US821663A
Cited
US807865A
Cited
US1875068A
Cited
GB507616A
Cited
US2389824A
Cited
US2468943A
Cited
US2479398A
Cited
US2487512A
Cited
US2502290A
Cited
US2574273A
Cited
US2586683A
Cited
US2673130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |