Patent US3434295A successfully refreshed from Google Patents.
US3434295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe laying method
Assignee: Mobil Oil AS
•
Filing: 1967-06-29
•
Granted: 1969-03-25
•
Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 William F Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:59
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/34; B63C11/36; B63C11/42; B63B; B63B35/00; B63B35/03; E; E21; E21B; E21B41/00; E21B41/04; F; F16; F16L; F16L1/00; F16L1/12; F16L1/16; F16L1/161
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1869778A
Cited
US2787051A
Cited
US2987893A
Cited
FR1246266A
Cited
US3262275A
Cited
US3099913A
Cited
US3105453A
Cited
US3307627A
Cited
US3165899A
Cited
US3261398A
Cited
US3204417A
Cited
US3393524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |