US3215457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling
Assignee: Hoke Manufacturing Co Inc
•
Filing: 1962-04-17
•
Granted: 1965-11-02
•
Expires: 1982-04-17
Abstract
No abstract record available.
Inventors
- 👤 Wilbur O Teeters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:00
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/10; F16L19/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2313780A
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US2333470A
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US2397749A
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US3106413A
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US3075793A
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US3146006A
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US3069188A
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US3103373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |