US2935343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive fluid tight pipe joint
Assignee: Individual
•
Filing: 1957-03-12
•
Granted: 1960-05-03
•
Expires: 1977-03-12
Abstract
No abstract record available.
Inventors
- 👤 George S Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:36
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/088; F16L37/0885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2749151A
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US2805089A
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US2848255A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |