Patent FR2354971B1 successfully refreshed from Google Patents.
US3408098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic pipe fittings
Assignee: Individual
•
Filing: 1967-04-24
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Granted: 1968-10-29
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Expires: 1987-04-24
Abstract
No abstract record available.
Inventors
- 👤 Harold E Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:37
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/04; F16L47/00; F16L47/04; F16L47/041; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307537A
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US1013598A
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US2165626A
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US2189566A
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US2439351A
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US2534198A
Cited
US3047937A
Cited
US3269756A
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US3253841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |