US3348382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Offshore platform for ice conditions
Assignee: Pan American Petroleum Corp
•
Filing: 1965-04-21
•
Granted: 1967-10-24
•
Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Blenkarn
- 👤 George C Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:42
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/0008; E02B17/0017; E02B17/0021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2382763A
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US2528089A
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US2657540A
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US2699042A
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US2865179A
Cited
US2837897A
Cited
US2933898A
Cited
FR1168415A
Cited
US3104531A
Cited
US3283515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |