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US2415095A Expired / Lapsed US ⏱️ 0.0 years remaining

Radio measurement of distances and velocities

Assignee: BOARD
•
Filing: 1942-09-19
•
Granted: 1947-02-04
•
Expires: 1962-09-19
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Abstract

No abstract record available.

Inventors

  • 👤 Russell H Varian
  • 👤 William W Hansen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:35
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/422; G01S1/00; G01S1/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1585591A Cited
US1945952A Cited
US2055883A Cited
US2176469A Cited
US2193361A Cited
US2189549A Cited
US2247662A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-02-03 1950-08-05 1951-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-02-03 1954-08-05 1955-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-02-03 1958-08-05 1959-02-04 $7700.00 Window Closed / Lapsed

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