US2436407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-tight joint
Assignee: HYDRAULIC CONTROL ENGINEERING
•
Filing: 1945-01-09
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Granted: 1948-02-24
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Expires: 1965-01-09
Abstract
No abstract record available.
Inventors
- 👤 William T Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:11
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/11; F16L37/00; F16L37/08; F16L37/12; F16L37/14; F16L37/142; F16L37/148; F16L55/115; F16L55/1157; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1279018A
Cited
US1734236A
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US1837345A
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GB376519A
Cited
US1879873A
Cited
US2092243A
Cited
US2318317A
Cited
US2310490A
Cited
US2360732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |