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US253986A Expired / Lapsed US ⏱️ 0.0 years remaining

Separator for squaring-shears for cutting sheet metal

Assignee: —
•
Filing: —
•
Granted: 1882-02-21
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Expires: 1899-02-21
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:52
CPC Classifications
A; A43; A43D; A43D33/00; B; B65; B65H; B65H20/00; B65H20/02; B65H20/04; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2044; Y10T83/2057; Y10T83/2074; Y10T83/2083; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/8853

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) 1885-02-20 1885-08-22 1886-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1889-02-20 1889-08-22 1890-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1893-02-20 1893-08-22 1894-02-21 $7700.00 Window Closed / Lapsed

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