Patent US3068561A successfully refreshed from Google Patents.
US3068561A
Expired / Lapsed
US
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Method of installing a flexible tank liner
Assignee: Individual
•
Filing: 1957-11-20
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Granted: 1962-12-18
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Expires: 1977-11-20
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:06
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/02; B65D90/04; B65D90/046; Y; Y10; Y10S; Y10S29/00; Y10S29/034; Y10T; Y10T29/00; Y10T29/49; Y10T29/49716; Y10T29/49718; Y10T29/49805; Y10T29/49826; Y10T29/49904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2459316A
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US2626885A
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US2670818A
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US2630236A
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US2721674A
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US2762736A
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US2822194A
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US2847959A
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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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |