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US2997831A Expired / Lapsed US ⏱️ 0.0 years remaining

Bag making apparatus

Assignee: HABRA WERK OTT KG
•
Filing: 1959-08-17
•
Granted: 1961-08-29
•
Expires: 1979-08-17
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Abstract

No abstract record available.

Inventors

  • 👤 Neuendorf Gunter
  • 👤 Danielzig Karl-Heinz
  • 👤 Schmidt Paul
  • 👤 Reil Wilhelm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:21
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/02; B31; B31B; B31B70/00; B31B70/26; B31B70/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1853192A Cited
US2181816A Cited
US2272251A Cited
US2446798A Cited
US2577386A Cited
US2565444A Cited
US2677319A Cited
US2913966A Cited
US2847806A Cited
FR1167925A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-08-28 1965-02-27 1965-08-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-08-28 1969-02-27 1969-08-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-08-28 1973-02-27 1973-08-29 $7700.00 Window Closed / Lapsed

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