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US3003109A Expired / Lapsed US ⏱️ 0.0 years remaining

Beam tube having selective switching means

Assignee: Individual
•
Filing: 1955-06-14
•
Granted: 1961-10-03
•
Expires: 1975-06-14
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Abstract

No abstract record available.

Inventors

  • 👤 Jerome H Lemelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:20
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/88; B; B07; B07C; B07C3/00; B07C3/18; G; G06; G06K; G06K17/00; G06K7/00; G06K7/08; G06K7/082; G06K7/083; G06K7/084; G07; G07C; G07C9/00; G07C9/20; G07C9/22; G07C9/25; G07C9/257; G11; G11B; G11B15/00; G11B15/675; G11B15/68; G11B15/6845; G11B15/687; G11B15/6875; G11B15/6895; G11B27/00; G11B27/10; G11B27/102; G11B27/107; G11B27/19; G11B27/28; H03K3/00; H03K3/02; H03K3/43; G11B2220/00; G11B2220/40; G11B2220/41; G11B2220/90

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2137157A Cited
US2214468A Cited
US2373134A Cited
US2428089A Cited
US2513616A Cited
US2396409A Cited
US2457699A Cited
US2481398A Cited
US2547838A Cited
US2698875A Cited
US2565103A Cited
GB704816A Cited
US2795732A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-02 1965-04-03 1965-10-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-02 1969-04-03 1969-10-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-02 1973-04-03 1973-10-03 $7700.00 Window Closed / Lapsed

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