US3429596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-connect coupling assembly
Assignee: D&G Plastics Co
•
Filing: 1966-08-15
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Granted: 1969-02-25
•
Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Charles Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/083; F16L19/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1822056A
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US2201372A
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US2284365A
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GB895461A
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US2999701A
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US3312483A
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US3312484A
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US3219751A
Cited
FR1335121A
Cited
US3291510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |