US2507601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic locking apparatus
Assignee: Adel Precision Products Corp
•
Filing: 1946-10-30
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Granted: 1950-05-16
•
Expires: 1966-10-30
Abstract
No abstract record available.
Inventors
- 👤 Ottmar A Kehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:36
CPC Classifications
F; F15; F15B; F15B21/00; A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/0244; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20408; Y10T74/20414
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1176244A
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US1438696A
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US1643262A
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US1714528A
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US1856691A
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US2205508A
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US2357278A
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US2422767A
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US2410176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |