Patent US3479457A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3479457A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for the demodulation of electric waves phase- or frequency-modulated by high-speed coded signals

Assignee: Nokia Inc
•
Filing: 1965-05-07
•
Granted: 1969-11-18
•
Expires: 1985-05-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jacques Oswald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:24
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/18; H04L27/22; H04L27/233; H04L27/2331; H04L27/2338

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US3128343A Cited
US3330909A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-11-17 1973-05-19 1973-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-11-17 1977-05-19 1977-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-11-17 1981-05-19 1981-11-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag