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US2494795A Expired / Lapsed US ⏱️ 0.0 years remaining

Frequency-detector and frequency-control circuits

Assignee: Lanteris Space LLC
•
Filing: 1945-02-03
•
Granted: 1950-01-17
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Expires: 1965-02-03
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Abstract

No abstract record available.

Inventors

  • 👤 William E Bradley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:25
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03D; H03D3/00; H03D3/02; H03D3/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2063588A Cited
US2149721A Cited
US2259000A Cited
US2231992A Cited
US2231704A Cited
US2243417A Cited
US2248481A Cited
US2332540A Cited
US2408192A Cited
US2346331A Cited
US2340432A Cited
US2440653A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-01-16 1953-07-18 1954-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-01-16 1957-07-18 1958-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-01-16 1961-07-18 1962-01-17 $7700.00 Window Closed / Lapsed

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