Patent US5007406A successfully refreshed from Google Patents.
Patent US4505273A successfully refreshed from Google Patents.
Patent US3534399A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3534399A Expired / Lapsed US ⏱️ 0.0 years remaining

Area navigation method and apparatus for aircraft with vhf-omnirange (vor) and distance measuring equipment (dme)

Assignee: Honeywell Inc
•
Filing: 1968-07-22
•
Granted: 1970-10-13
•
Expires: 1988-07-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles J Hirsch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:43
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13; G; G01; G01S; G01S1/00; G01S1/02; G01S5/00; G01S5/02; G01S5/12; G06; G06G; G06G7/00; G06G7/48; G06G7/78

Claims Analysis

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

References Cited (Backward Citations)

US2717735A Cited
US3078041A Cited
US3414901A Cited
US3478360A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-12 1974-04-13 1974-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-12 1978-04-13 1978-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-12 1982-04-13 1982-10-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag