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US2597135A Expired / Lapsed US ⏱️ 0.0 years remaining

Earth induction system

Assignee: Bendix Aviation Corp
•
Filing: 1945-04-18
•
Granted: 1952-05-20
•
Expires: 1965-04-18
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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 13:32
CPC Classifications
G; G01; G01C; G01C17/00; G01C17/02; G01C17/28; G01C17/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE666594C Cited
US2241499A Cited
US2383461A Cited
US2459830A Cited
GB591019A Cited
GB624083A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-05-20 1955-11-19 1956-05-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-05-20 1959-11-19 1960-05-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-05-20 1963-11-19 1964-05-20 $7700.00 Window Closed / Lapsed

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