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US2574259A Expired / Lapsed US ⏱️ 0.0 years remaining

Television intermediate frequency amplfier

Assignee: Bendix Aviation Corp
•
Filing: 1947-04-14
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Granted: 1951-11-06
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Expires: 1967-04-14
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Abstract

No abstract record available.

Inventors

  • 👤 Goldberg Harold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:38
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/0153; H03H7/0161; H04; H04N; H04N5/00; H04N5/44; H04N5/60; H03H7/17; H03H7/1708; H03H7/1741; H03H7/1775; H03H7/1783

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2217839A Cited
US2356308A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-11-05 1955-05-07 1955-11-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-11-05 1959-05-07 1959-11-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-11-05 1963-05-07 1963-11-06 $7700.00 Window Closed / Lapsed

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