Patent US2627429A successfully refreshed from Google Patents.
US2627429A
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Coupling means for detachably joining pipes
Assignee: PAUSIN Manufacturing Co Inc
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Filing: 1950-10-11
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Granted: 1953-02-03
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Expires: 1970-10-11
Abstract
No abstract record available.
Inventors
- 👤 Herman C Engelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/50; F16L37/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US713347A
Cited
US1639800A
Cited
US1915100A
Cited
US2087916A
Cited
GB469997A
Cited
US2221284A
Cited
US2432224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |