JPS538732A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Method of producing separator for battery
Assignee: Tonen General Sekiyu KK
•
Filing: 1976-07-12
•
Granted: —
•
Expires: 1996-07-12
Abstract
No abstract record available.
Inventors
- 👤 Toshio Hoshino
- 👤 Iwao Yamazaki
- 👤 Akio Takenaka
- 👤 Tokuzou Ikeda
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 05:45
CPC Classifications
Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
JPS49737A
Cited
JPS4985527A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.