← Back to Patent Explorer
JPS527610A Expired / Lapsed JP ⏱️ 0.0 years remaining

Telephone responding system

Assignee: Hitachi Ltd
•
Filing: 1975-07-09
•
Granted: —
•
Expires: 1995-07-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE:To enable to respond without access to the telephone.

Inventors

  • 👤 Kanji Yoshikawa

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-09 07:55
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/60; H04M1/6033

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag