US3719345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain fitting
Assignee: Individual
•
Filing: 1971-05-10
•
Granted: 1973-03-06
•
Expires: 1991-05-10
Abstract
Abstract A DRAIN STEM FORMED IN ITS SIDE WALL WITH A PORT IS COUPLED TO A MOUNTING SLEEVE STRUCTURED FOR BEING MOUNTED TO A LIQUID CONTAINER. A COLLAR COUPLED TO THE DRAIN STEM CAN BE MOVED TO UNCOVER THE PORT AND ALLOW LIQUID TO BE DRAINED FROM THE CONTAINER.
Inventors
- 👤 J Bridegum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:41
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/08; F16K; F16K31/00; F16K31/44; F16K31/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |