US3230129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Placement of resinous tubing inside a conduit and sealed therein with a viscous fluid
Assignee: Phillips Petroleum Co
•
Filing: 1961-04-03
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Granted: 1966-01-18
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Harold S Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:06
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/26; B29C63/34; B29C63/341; B29C63/36; F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2440725A
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US2608501A
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US2805972A
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US2745778A
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US2724672A
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US2686091A
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US2721159A
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US2794758A
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US3080269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |