Patent US1785287A successfully refreshed from Google Patents.
Patent US2429525A successfully refreshed from Google Patents.
Patent US2535107A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2535107A Expired / Lapsed US ⏱️ 0.0 years remaining

Navigational system

Assignee: PANORAMIC RADIO Corp
•
Filing: 1946-04-19
•
Granted: 1950-12-26
•
Expires: 1966-04-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Wallace Marcel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:03
CPC Classifications
G; G01; G01S; G01S5/00; G01S5/0009

Claims Analysis

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

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-12-25 1954-06-26 1954-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-12-25 1958-06-26 1958-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-12-25 1962-06-26 1962-12-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag