JPS5221737A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Electric desk calculator
Assignee: NEC Corp
•
Filing: 1975-08-12
•
Granted: —
•
Expires: 1995-08-12
Abstract
Abstract PURPOSE: To make the external switch unnecessary thereby almostly not requiring the power consumption when not using the desk calculator, by means of cutting off the power source of main part, owing to the changeover signal being generated from the arithmetic control section when a fixed time passes after using it. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Seiji Endo
- 👤 Yukihiro Nishiguchi
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-01 18:48
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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.