US3407771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of joining parts of a structure floating on the water
Assignee: Mitsubishi Heavy Industries Ltd
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Filing: 1966-12-19
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Granted: 1968-10-29
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Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Takezawa Isoe
- 👤 Takizawa Ichizo
- 👤 Ohno Dan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:06
CPC Classifications
B; B63; B63B; B63B83/00; B63B71/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |