US3411306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for laying submerged pipe
Assignee: ZAPATA OFF SHORE CO
•
Filing: 1965-07-07
•
Granted: 1968-11-19
•
Expires: 1985-07-07
Abstract
No abstract record available.
Inventors
- 👤 Russell C Mosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:34
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/12; F16L1/16; F16L1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1152326A
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US2910835A
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GB885276A
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US3104531A
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US3136133A
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US3082608A
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GB947196A
Cited
US3273346A
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US3214921A
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US3241324A
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US3266256A
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US3280571A
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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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |