US2533640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick disconnect hydraulic coupler
Assignee: Individual
•
Filing: 1947-10-25
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Granted: 1950-12-12
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Expires: 1967-10-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:30
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/1007; F16L37/00; F16L37/24; F16L37/244; F16L37/248; F16L37/28; F16L37/30; F16L37/32; F16L37/33; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |