US3001802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydro-seal test coupling
Assignee: Individual
•
Filing: 1959-04-08
•
Granted: 1961-09-26
•
Expires: 1979-04-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Rebman
- 👤 Sidney E Shensky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:03
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/0231
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US283771A
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DE369798C
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FR327558A
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US904522A
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US919913A
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US932805A
Cited
US965704A
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US1027694A
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US1892649A
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US2651794A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |