US2526252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control mechanism
Assignee: Individual
•
Filing: 1944-03-20
•
Granted: 1950-10-17
•
Expires: 1964-03-20
Abstract
No abstract record available.
Inventors
- 👤 Mercier Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:06
CPC Classifications
F; F15; F15B; F15B21/00; B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US579432A
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US1085964A
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US2029634A
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US2185015A
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US2312432A
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US2218818A
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US2343912A
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US2262432A
Cited
US2331790A
Cited
US2376320A
Cited
US2353388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |