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US2425015A Expired / Lapsed US ⏱️ 0.0 years remaining

Grid winding machine

Assignee: Federal Telephone and Radio Corp
•
Filing: 1942-10-27
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Granted: 1947-08-05
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Expires: 1962-10-27
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Abstract

No abstract record available.

Inventors

  • 👤 Victor H Van Sant

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:13
CPC Classifications
H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0026; Y; Y10; Y10T; Y10T82/00; Y10T82/20; Y10T82/25; Y10T82/2531; Y10T82/2549

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE38198C Cited
US172679A Cited
US260658A Cited
US650213A Cited
US1269489A Cited
FR491652A Cited
US1585905A Cited
US1835114A Cited
US1827056A Cited
US2118489A Cited
US2181288A Cited
US2169351A Cited
US2225913A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-08-04 1951-02-03 1951-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-08-04 1955-02-03 1955-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-08-04 1959-02-03 1959-08-05 $7700.00 Window Closed / Lapsed

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