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US3620139A Expired / Lapsed US ⏱️ 0.0 years remaining

Folder-gluer and auxiliary conveyors therefor

Assignee: Harris Corp
•
Filing: 1969-05-05
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Granted: 1971-11-16
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Expires: 1989-05-05
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Abstract

Abstract A MACHINE FOR PROCESSING PAPERBOARD BLANKS SUCH AS A FOLDER-GLUER IS PROVIDED WITH AUXILIARY FEED CONVEYORS AT THE INLET END OF THE MACHINE, THE AUXILILARY CONVEYORS ARE MOVABLE TOWARD AND AWAY FROM EACH OTHER SO THAT THE AREA OF CONTACT BETWEEN THE AUXILIARY CONVEYORS AND THE PAPERBOARD BLANKS MAY BE VARIED.

Inventors

  • 👤 Henry E Kulwicki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:28
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/36; B31B2100/00; B31B2100/002; B31B2100/0022; B31B2120/00; B31B2120/30; B31B50/56

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-11-15 1975-05-17 1975-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-15 1979-05-17 1979-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-15 1983-05-17 1983-11-16 $7700.00 Window Closed / Lapsed

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