US2933334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing pipe coupling
Assignee: Individual
•
Filing: 1956-01-18
•
Granted: 1960-04-19
•
Expires: 1976-01-18
Abstract
No abstract record available.
Inventors
- 👤 Moude Adrian J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:14
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/06; F16L17/067; F16L37/00; F16L37/26; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US348556A
Cited
US614888A
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US1790891A
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US712775A
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US979433A
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FR622710A
Cited
US1869021A
Cited
US2250199A
Cited
US2301097A
Cited
US2709092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |