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US1920809A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing box or container parts having alpha curved bottom

Assignee: FIRM UNIVERSELLE CIGARETTENMAS
•
Filing: 1930-02-18
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Granted: 1933-08-01
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Expires: 1950-02-18
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Abstract

No abstract record available.

Inventors

  • 👤 Schmiedel Johannes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:19
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B2105/00; B31B2110/00; B31B2110/10; B31B2120/00; B31B2120/002; B31B2120/10; B31B2241/00; B31B2241/003

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) 1936-07-31 1937-01-30 1937-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-07-31 1941-01-30 1941-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-07-31 1945-01-30 1945-08-01 $7700.00 Window Closed / Lapsed

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