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US2656887A Expired / Lapsed US ⏱️ 0.0 years remaining

Blanking die

Assignee: Lyon Inc
•
Filing: 1948-10-11
•
Granted: 1953-10-27
•
Expires: 1968-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 John S Judd

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:26
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/14; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17905; Y10T279/17914; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9428; Y10T83/9437

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US429489A Cited
US430892A Cited
US974932A Cited
US954304A Cited
US1270933A Cited
US1504132A Cited
US2196922A Cited
US2326091A Cited
GB558868A Cited
US2397382A Cited
US2560110A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-10-26 1957-04-27 1957-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-10-26 1961-04-27 1961-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-10-26 1965-04-27 1965-10-27 $7700.00 Window Closed / Lapsed

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