← Back to Patent Explorer
JPS5280042A Expired / Lapsed JP ⏱️ 0.0 years remaining

Optical coupler

Assignee: International Business Machines Corp
•
Filing: 1976-11-25
•
Granted: —
•
Expires: 1996-11-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Deebitsudo Kurou Jiyon
  • 👤 Ganha Riin Eritsuku

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-03 12:19
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/26; G02B6/30

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