Patent US2933334A successfully refreshed from Google Patents.
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 21:00
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US348556A
Cited
US614888A
Cited
US1790891A
Cited
US712775A
Cited
US979433A
Cited
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 |