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US2673495A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for making bags

Assignee: Continental Can Co Inc
•
Filing: 1946-03-13
•
Granted: 1954-03-30
•
Expires: 1966-03-13
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Abstract

No abstract record available.

Inventors

  • 👤 Leonard R Hecker
  • 👤 Murray P Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:30
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B2155/00; B31B2155/001; B31B2155/0012; B31B2160/00; B31B2160/10; B31B70/26; B31B70/262; B31B70/266; B31B70/36; Y; Y10; Y10S; Y10S112/00; Y10S112/02; Y10S493/00; Y10S493/916; Y10S493/935; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US413634A Cited
US155483A Cited
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US2265075A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-03-29 1957-09-28 1958-03-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-03-29 1961-09-28 1962-03-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-03-29 1965-09-28 1966-03-30 $7700.00 Window Closed / Lapsed

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