← Back to Patent Explorer
US4677646B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Dataset powered by control and data signals from data terminal

Assignee: RAD DATA COMMUNICATIONS Inc
•
Filing: 1985-08-01
•
Granted: 1995-05-09
•
Expires: 2005-08-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 David E Dodds
  • 👤 Ludo Bertsch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 18:15
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/08; H04B; H04B3/00; H04B3/02; H04B3/28; H04L12/00; H04L12/02; H04L12/10

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

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1998-05-08 1998-11-07 1999-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2002-05-08 2002-11-07 2003-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2006-05-08 2006-11-07 2007-05-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag