Patent US3486730A successfully refreshed from Google Patents.
US3486730A
Expired / Lapsed
US
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Quick disconnect coupling and valve combination
Assignee: United States Department of the Army
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Filing: 1966-08-18
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Granted: 1969-12-30
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Expires: 1986-08-18
Abstract
No abstract record available.
Inventors
- 👤 Norman Potash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:34
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/02; F16L37/04; F16L37/05; F16L37/28; F16L37/38; F16L37/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB382185A
Cited
GB506044A
Cited
DE710589C
Cited
US2448688A
Cited
US2450446A
Cited
US2731278A
Cited
US2896971A
Cited
US3131733A
Cited
US3329180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |