US2992839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable and replaceable conduit coupling
Assignee: Tubi Bonna S P A
•
Filing: 1954-07-14
•
Granted: 1961-07-18
•
Expires: 1974-07-14
Abstract
No abstract record available.
Inventors
- 👤 Simonini Pietro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:19
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/02; F16L21/035; F16L13/00; F16L13/12; F16L13/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL43583C
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US635534A
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US1292060A
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US1396135A
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US1474437A
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US1662311A
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US1652418A
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US1976589A
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US2084466A
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US2226067A
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FR904880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |