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US2854899A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for manufacturing heatsealed flat bags and for pulling such bags over mandrels of square section

Assignee: FR Hesser Maschinenfabrik AG
•
Filing: 1956-04-16
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Granted: 1958-10-07
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Expires: 1976-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 Bauder Ulrich
  • 👤 Hornsteiner Maximilian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:48
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/432; B29C66/4322; B29C66/80; B29C66/82; B29C66/822; B29C66/8221; B29C66/8226; B29C66/82263; B29C66/83; B29C66/832; B29C66/8324; B29C66/83241; B29C65/24; B29C65/30; B31; B31B; B31B70/00; B31B70/26; B31B70/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2346191A Cited
US2326931A Cited
US2577386A Cited
US2698046A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-10-06 1962-04-07 1962-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-10-06 1966-04-07 1966-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-10-06 1970-04-07 1970-10-07 $7700.00 Window Closed / Lapsed

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