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Patent US1265844A successfully refreshed from Google Patents.
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US1265844A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for opening envelops.

Assignee: Individual
•
Filing: 1916-05-11
•
Granted: 1918-05-14
•
Expires: 1936-05-11
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Abstract

No abstract record available.

Inventors

  • 👤 James V Washburne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 13:29
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/143; B26F; B26F1/00; B26F1/32; B26F1/36; Y; Y10; Y10S; Y10S83/00; Y10S83/912; Y10T; Y10T83/00; Y10T83/222; Y10T83/869; Y10T83/8776; Y10T83/8778; Y10T83/8785; Y10T83/8786; Y10T83/8798; Y10T83/8817

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1921-05-13 1921-11-12 1922-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1925-05-13 1925-11-12 1926-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1929-05-13 1929-11-12 1930-05-14 $7700.00 Window Closed / Lapsed

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