US3494643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beaded plastic tubing joint
Assignee: Pacific Western Extruded Products Inc
•
Filing: 1966-06-03
•
Granted: 1970-02-10
•
Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 William J Longshaw
- 👤 Roy C Wilson
- 👤 James M Ridenour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:44
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/14; F16L47/04; F16L47/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US675335A
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US1151300A
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US2245037A
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US2326292A
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US2366444A
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US2415472A
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US2522194A
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FR1046455A
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FR1106161A
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US2937893A
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US3098664A
Cited
US3271503A
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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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |