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US3027797A Expired / Lapsed US ⏱️ 0.0 years remaining

Space navigation sextant

Assignee: General Precision Inc
•
Filing: 1961-02-23
•
Granted: 1962-04-03
•
Expires: 1981-02-23
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin G Collen
  • 👤 Robert V Wagoner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 23:30
CPC Classifications
G; G01; G01C; G01C1/00; G01C1/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE271706C Cited
US1697293A Cited
GB473539A Cited
US2589363A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-04-02 1965-10-02 1966-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-04-02 1969-10-02 1970-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-04-02 1973-10-02 1974-04-03 $7700.00 Window Closed / Lapsed

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