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US2330446A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for producing bags

Assignee: SIMPLEX WRAPPING MACHINE CO
•
Filing: 1938-09-12
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Granted: 1943-09-28
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Expires: 1958-09-12
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas E Piazze
  • 👤 Roy E Hanson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:37
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C53/00; B29C53/36; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/133; B29C66/135; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/432; B29C66/4322; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81433; B29C66/81435; B29C66/82; B29C66/822; B29C66/8221; B29C66/8225; B29C66/8227; B29C66/824; B29C66/8244; B29C66/83; B29C66/832; B29C66/8322; B29C66/834; B29C66/8341; B29C66/83411; B31; B31B; B31B70/00; B29C66/81411; B29C66/81421; B29C66/81422; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; B31B2155/00; B31B2155/001; B31B2155/0012; B31B2160/00; B31B2160/10; B31B70/26; B31B70/261

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) 1946-09-27 1947-03-29 1947-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-09-27 1951-03-29 1951-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-09-27 1955-03-29 1955-09-28 $7700.00 Window Closed / Lapsed

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