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US2854150A Expired / Lapsed US ⏱️ 0.0 years remaining

Means for removing a lift of sheet material from a stack of such material

Assignee: West Virginia Pulp and Paper Co
•
Filing: 1957-05-01
•
Granted: 1958-09-30
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Expires: 1977-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Jr James R Shea

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 05:29
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/32; B65H3/322; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/422; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/109

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2156139A Cited
US2493252A Cited
GB709804A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-09-29 1962-03-31 1962-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-09-29 1966-03-31 1966-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-09-29 1970-03-31 1970-09-30 $7700.00 Window Closed / Lapsed

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