Patent US2982311A successfully refreshed from Google Patents.
US2982311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic pipe liner
Assignee: PLASTIC INSERT LINING Co
•
Filing: 1956-04-18
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Granted: 1961-05-02
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Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 Haskell Norman Reuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:33
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/10; F16L58/1009; F16L58/1027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US330873A
Cited
US714903A
Cited
US942184A
Cited
US1824838A
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US1987372A
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US2027961A
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US2088922A
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US2290333A
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US2359952A
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US2478326A
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US2457908A
Cited
US2498831A
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US2608501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |