Patent US6441468B1 successfully refreshed from Google Patents.
JPS5954401A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Rolling method
Assignee: IHI Corp
•
Filing: 1982-12-17
•
Granted: —
•
Expires: 2002-12-17
Abstract
Abstract Translated from Japanese (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Inventors
- 👤 Hisashi Honjo
- 👤 恒 本城
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-04 23:37
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/02; B21B27/03; B21B27/05; B21B37/00; B21B37/28; B21B37/30; B21B37/34; B21B2269/00; B21B2269/12; B21B2269/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
JPS517635A
Cited
JPS55156606A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.