← Back to Patent Explorer
US3548328A Expired / Lapsed US ⏱️ 0.0 years remaining

Digital fm discriminator

Assignee: Honeywell Inc
•
Filing: 1969-01-13
•
Granted: 1970-12-15
•
Expires: 1989-01-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ivars P Breikss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:20
CPC Classifications
G; G06; G06J; G06J1/00; G01; G01R; G01R23/00; G01R23/02; G01R23/10; G01R29/00; G01R29/06; H; H03; H03D; H03D3/00; H03D3/02; H03D3/04; H03M; H03M1/00; H03M1/12; H03M1/60

Claims Analysis

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

References Cited (Backward Citations)

US2992384A Cited
US3447149A Cited
US3490049A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-12-14 1974-06-15 1974-12-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-14 1978-06-15 1978-12-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-14 1982-06-15 1982-12-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag