US3462175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector for unthreaded pipe,and method of making the same
Assignee: SONEL
•
Filing: 1965-04-20
•
Granted: 1969-08-19
•
Expires: 1985-04-20
Abstract
No abstract record available.
Inventors
- 👤 Don E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:25
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/002; F16L21/005; F16L19/00; F16L19/06; F16L19/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127196A
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US731635A
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US1186722A
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US2138913A
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US2346051A
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US2755110A
Cited
US3069387A
Cited
AT237391B
Cited
US3226137A
Cited
US3253332A
Cited
US3264013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |