US2524271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston operated locking means for servomotors
Assignee: Trico Products Corp
•
Filing: 1945-01-13
•
Granted: 1950-10-03
•
Expires: 1965-01-13
Abstract
No abstract record available.
Inventors
- 👤 Rappl Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:23
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/084; E; E05; E05F; E05F11/00; E05F11/38; E05F11/48; E05F11/481; E05F11/483; E05F11/486; E05F15/00; E05F15/50; E05F15/57; F15B15/20; F15B15/26; F15B15/262; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1073403A
Cited
US1573541A
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GB218579A
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US1834235A
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US1919671A
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US2094124A
Cited
US2205346A
Cited
US2240039A
Cited
US2379989A
Cited
US2338069A
Cited
US2391073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |