US3434295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe laying method
Assignee: Mobil Oil AS
•
Filing: 1967-06-29
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Granted: 1969-03-25
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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 18:22
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
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References Cited (Backward Citations)
US1869778A
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US2787051A
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US2987893A
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FR1246266A
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US3262275A
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US3099913A
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US3105453A
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US3307627A
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US3165899A
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US3261398A
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US3204417A
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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 |