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US3428905A Expired / Lapsed US ⏱️ 0.0 years remaining

Tapped delay line integrator

Assignee: United States Department of the Army
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Filing: 1965-05-26
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Granted: 1969-02-18
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Expires: 1985-05-26
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Abstract

No abstract record available.

Inventors

  • 👤 Stanley A Fierston
  • 👤 William C Towle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 15:25
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/2806; G11; G11C; G11C27/00; G11C27/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3209157A Cited
US3068417A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-02-18 1972-08-19 1973-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-02-18 1976-08-19 1977-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-02-18 1980-08-19 1981-02-18 $7700.00 Window Closed / Lapsed

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