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US2104535A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of and process for forming paper cups

Assignee: DIXIE VORTEX CO
•
Filing: 1936-05-09
•
Granted: 1938-01-04
•
Expires: 1956-05-09
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Abstract

No abstract record available.

Inventors

  • 👤 Barbieri Cesare

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:40
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/0003; B31F1/0038; B31B; B31B2100/00; B31B2100/002; B31B2100/0022; B31B2110/00; B31B2110/10; B31B50/00; B31B50/25; B31B50/26; B31B50/28

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) 1941-01-03 1941-07-05 1942-01-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-01-03 1945-07-05 1946-01-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-01-03 1949-07-05 1950-01-04 $7700.00 Window Closed / Lapsed

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