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US2261309A Expired / Lapsed US ⏱️ 0.0 years remaining

Navigational instrument

Assignee: Bendix Aviation Corp
•
Filing: 1940-06-29
•
Granted: 1941-11-04
•
Expires: 1960-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Alfred A Stuart

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:52
CPC Classifications
G; G01; G01C; G01C17/00; G01C17/02; G01C17/04; G01C17/20; G01C17/26

Claims Analysis

Total Claims: 0
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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) 1944-11-03 1945-05-05 1945-11-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-11-03 1949-05-05 1949-11-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-11-03 1953-05-05 1953-11-04 $7700.00 Window Closed / Lapsed

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