US3567233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket means for pipe
Assignee: Individual
•
Filing: 1968-07-11
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Granted: 1971-03-02
•
Expires: 1988-07-11
Abstract
Abstract A FLEXIBLE, RESILIENT GASKET FOR THE JOINTS OF CONCRETE OR PIPES MADE OF OTHER MATERIAL INCLUDES A CHEVRON PORTION AND AN EXTENDING SLEEVE WHICH IS ROLLED UP AND COMPRESSED BETWEEN THE SPIGOT END AND BELL END OF A PIPE JOINT MAKING A FLUID TIGHT JOINT.
Inventors
- 👤 Fred C Stepanich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:45
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/064; F16L; F16L21/00; F16L21/02; F16L21/025; F16L25/00; F16L25/0027
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |