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US2376219A Expired / Lapsed US ⏱️ 0.0 years remaining

Fabrication of quartz resonators

Assignee: General Electric Co
•
Filing: 1944-01-28
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Granted: 1945-05-15
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Expires: 1964-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur F Winslow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:16
CPC Classifications
H; H03; H03H; H03H3/00; H03H3/007; H03H3/02; H03H3/04; Y; Y10; Y10T; Y10T29/00; Y10T29/42

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1948-05-14 1948-11-13 1949-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-05-14 1952-11-13 1953-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-05-14 1956-11-13 1957-05-15 $7700.00 Window Closed / Lapsed

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