US3361453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick coupling device
Assignee: Baker Hughes Holdings LLC
•
Filing: 1965-07-02
•
Granted: 1968-01-02
•
Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Cicero C Brown
- 👤 John B Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:04
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/08; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/046; F16L37/00; F16L37/08; F16L37/084; F16L37/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2320813A
Cited
US1586276A
Cited
US1867296A
Cited
FR832183A
Cited
US2267716A
Cited
US2599003A
Cited
US2532632A
Cited
US2783809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |