Patent JPS5230728A successfully refreshed from Google Patents.
JPS5230728A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Production method of zinc plated steel plate
Assignee: Nippon Steel Corp
•
Filing: 1975-09-05
•
Granted: —
•
Expires: 1995-09-05
Abstract
No abstract record available.
Inventors
- 👤 Kazushichi Oohagi
- 👤 Takatoshi Nagakawa
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-01 22:36
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3449222A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.