US3087645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming liners for vessels
Assignee: Phillips Petroleum Co
•
Filing: 1958-11-14
•
Granted: 1963-04-30
•
Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 William R Eddy
- 👤 Coy L Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:35
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/08; B04C5/081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US360993A
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US1728168A
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US2003019A
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US2687230A
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US2772860A
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US2818995A
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US2956915A
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US2840240A
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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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |