US3147728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship for the transportation of high temperature molten material
Assignee: JFE Engineering Corp
•
Filing: 1960-06-17
•
Granted: 1964-09-08
•
Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Ishii Shunji
- 👤 Hayashi Gensaku
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:59
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/02; B63B25/08
Claims Analysis
Total Claims: 0
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |