JPS5212802A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Recording medium for electronics calculator
Assignee: Individual
•
Filing: 1975-07-21
•
Granted: —
•
Expires: 1995-07-21
Abstract
Abstract PURPOSE: To offer a magnetic disc capable of prolonging the life of the recording unit of the head. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Yoshiro Nakamatsu
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-05 21:34
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)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.