US2967400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for erecting offshore platform
Assignee: Individual
•
Filing: 1955-08-08
•
Granted: 1961-01-10
•
Expires: 1975-08-08
Abstract
No abstract record available.
Inventors
- 👤 James I Grant
- 👤 Ii William E Joor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:33
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/04; E02B17/08; E02B17/0836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US103899A
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US1920602A
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US1965894A
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US2645137A
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DE913784C
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US2841961A
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FR1105948A
Cited
US2870639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |