Patent US3002772A successfully refreshed from Google Patents.
US3002772A
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US
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Coupling with gasket compressed by means exerting pressure parallel to axis
Assignee: Individual
•
Filing: 1959-01-29
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Granted: 1961-10-03
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Expires: 1979-01-29
Abstract
No abstract record available.
Inventors
- 👤 Edward H Schustack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:36
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/02; F16L21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1006490A
Cited
US1479650A
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US1873620A
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US2009744A
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US2059573A
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GB430527A
Cited
US2087752A
Cited
GB512406A
Cited
US2701731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |