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US2089018A Expired / Lapsed US ⏱️ 0.0 years remaining

Binding element for a stack of sheet material and method of forming the binding element

Assignee: Individual
•
Filing: 1935-08-07
•
Granted: 1937-08-03
•
Expires: 1955-08-07
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Abstract

No abstract record available.

Inventors

  • 👤 Catini Vincenzo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 03:55
CPC Classifications
B; B42; B42B; B42B5/00; B42B5/08; B42B5/10; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T29/00; Y10T29/53; Y10T29/53687; Y10T29/53691

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1940-08-02 1941-02-01 1941-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-08-02 1945-02-01 1945-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-08-02 1949-02-01 1949-08-03 $7700.00 Window Closed / Lapsed

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