Patent JPS5429643A successfully refreshed from Google Patents.
JPS5429643A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Service life detecting and display method of parts of copying machines
Assignee: Ricoh Co Ltd
•
Filing: 1977-08-09
•
Granted: —
•
Expires: 1997-08-09
Abstract
Abstract PURPOSE: To readily and accurately detect the service life of parts by detecting and displaying whether the service life of each consuming part has terminated or not with a computer. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Kiyoshi Ooshima
- 👤 Yoichi Kubota
- 👤 Masao Hosaka
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-06 16:24
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)
JPS4218636Y1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.