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US2713448A Expired / Lapsed US ⏱️ 0.0 years remaining

Case feeding mechanism for packing machine

Assignee: Emhart Manufacturing Co
•
Filing: 1949-08-03
•
Granted: 1955-07-19
•
Expires: 1969-08-03
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Abstract

No abstract record available.

Inventors

  • 👤 Wimmer Ludwig
  • 👤 Ardell Edgar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:21
CPC Classifications
B; B65; B65B; B65B21/00; B65B21/02; B65B21/14; B65B21/16; B65B43/00; B65B43/42; B65B43/52

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1247722A Cited
US1354250A Cited
US2053418A Cited
US2102640A Cited
US2219827A Cited
US2252127A Cited
US2277688A Cited
US2331018A Cited
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US2329413A Cited
US2376176A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-07-18 1959-01-17 1959-07-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-07-18 1963-01-17 1963-07-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-07-18 1967-01-17 1967-07-19 $7700.00 Window Closed / Lapsed

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