Patent US2678836A successfully refreshed from Google Patents.
US2678836A
Expired / Lapsed
US
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Soldered hose end fitting
Assignee: Weatherhead Co
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Filing: 1951-03-21
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Granted: 1954-05-18
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Expires: 1971-03-21
Abstract
No abstract record available.
Inventors
- 👤 Louis B Courtot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:22
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US953422A
Cited
US1908020A
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US2137617A
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US2120067A
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US2374226A
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US2516631A
Cited
US2473879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |