Patent US3230129A successfully refreshed from Google Patents.
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
•
Granted: 1966-01-18
•
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 10:25
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2377615A
Cited
US2440725A
Cited
US2480358A
Cited
US2608501A
Cited
US2805972A
Cited
US2695255A
Cited
US2745778A
Cited
US2724672A
Cited
US2686091A
Cited
US2721159A
Cited
US2794758A
Cited
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 |