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US2679098A Expired / Lapsed US ⏱️ 0.0 years remaining

Envelope opener

Assignee: Individual
•
Filing: 1952-03-18
•
Granted: 1954-05-25
•
Expires: 1972-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Louis A Deicken

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:18
CPC Classifications
B; B43; B43M; B43M7/00; B43M7/002; Y; Y10; Y10S; Y10S30/00; Y10S30/03; Y10S83/00; Y10S83/912

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US673375A Cited
US2215216A Cited
US2428490A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-05-24 1957-11-23 1958-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-05-24 1961-11-23 1962-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-05-24 1965-11-23 1966-05-25 $7700.00 Window Closed / Lapsed

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