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US2956465A Expired / Lapsed US ⏱️ 0.0 years remaining

Cutting rule and perforated line

Assignee: Waldorf Paper Products Co
•
Filing: 1955-05-19
•
Granted: 1960-10-18
•
Expires: 1975-05-19
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Abstract

No abstract record available.

Inventors

  • 👤 Cyran D Mingo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:43
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9314

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US676781A Cited
US909145A Cited
FR491424A Cited
US1453200A Cited
DE668970C Cited
US2266958A Cited
US2363861A Cited
US2432176A Cited
US2519552A Cited
GB663958A Cited
US2522440A Cited
US2680558A Cited
GB695331A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-10-18 1964-04-18 1964-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-10-18 1968-04-18 1968-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-10-18 1972-04-18 1972-10-18 $7700.00 Window Closed / Lapsed

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