Patent US2701146A successfully refreshed from Google Patents.
US2701146A
Expired / Lapsed
US
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Multiple passage fluid handling swivel connection
Assignee: Chiksan Co
•
Filing: 1950-04-24
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Granted: 1955-02-01
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Expires: 1970-04-24
Abstract
No abstract record available.
Inventors
- 👤 Doyle C Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:02
CPC Classifications
F; F16; F16L; F16L39/00; F16L39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US464707A
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US1178999A
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US1478370A
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FR590589A
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US1788530A
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US1880853A
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US1961481A
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US2231149A
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US2412287A
Cited
US2424969A
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US2450895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |