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US2671383A Expired / Lapsed US ⏱️ 0.0 years remaining

Folding mandrel for making bags

Assignee: FR Hesser Maschinenfabrik AG
•
Filing: 1951-03-29
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Granted: 1954-03-09
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Expires: 1971-03-29
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Abstract

No abstract record available.

Inventors

  • 👤 Jungmayr Theodor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:04
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/26; B31B70/28; B31B70/30; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE252100C Cited
DE478518C Cited
US704807A Cited
US863180A Cited
US977222A Cited
US1530003A Cited
US1837887A Cited
AU2440229A Cited
US1896219A Cited
US2257689A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-03-08 1957-09-07 1958-03-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-03-08 1961-09-07 1962-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-03-08 1965-09-07 1966-03-09 $7700.00 Window Closed / Lapsed

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