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US3401879A Expired / Lapsed US ⏱️ 0.0 years remaining

Navigational computer

Assignee: Individual
•
Filing: 1965-05-14
•
Granted: 1968-09-17
•
Expires: 1985-05-14
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Abstract

No abstract record available.

Inventors

  • 👤 Close Garth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 14:19
CPC Classifications
G; G06; G06G; G06G1/00; G06G1/0005; G06G1/0052

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US101411A Cited
US111327A Cited
US2390622A Cited
GB189722101A Cited
US652814A Cited
US1161358A Cited
US1535917A Cited
US1870655A Cited
GB508923A Cited
US2256116A Cited
US2452241A Cited
US2916203A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-09-17 1972-03-18 1972-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-09-17 1976-03-18 1976-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-09-17 1980-03-18 1980-09-17 $7700.00 Window Closed / Lapsed

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