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US3400344A Expired / Lapsed US ⏱️ 0.0 years remaining

High power microwave energy waveguide coupling gasket

Assignee: Raytheon Co
•
Filing: 1965-12-29
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Granted: 1968-09-03
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Expires: 1985-12-29
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred E Booth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 15:59
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/04; H01P1/042

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA581937A Cited
US2465719A Cited
US2900199A Cited
GB865591A Cited
GB854981A Cited
GB865782A Cited
GB877861A Cited
US3303440A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-09-03 1972-03-04 1972-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-09-03 1976-03-04 1976-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-09-03 1980-03-04 1980-09-03 $7700.00 Window Closed / Lapsed

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