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Patent US2596471A successfully refreshed from Google Patents.
US2596471A
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Variable-stop hydraulic system
Assignee: Individual
•
Filing: 1950-01-21
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Granted: 1952-05-13
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Expires: 1970-01-21
Abstract
No abstract record available.
Inventors
- 👤 Richard M Densmore
- 👤 Neville J Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:56
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/121; F15B11/123; A; A01; A01B; A01B63/00; A01B63/14; A01B63/16; A01B63/22; A01B63/24; A01B63/32; F15B15/00; F15B15/20; F15B15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2005387A
Cited
US2430597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |