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US3513625A Expired / Lapsed US ⏱️ 0.0 years remaining

Interleafing system for sheet material stacking apparatus

Assignee: L W Nash Co
•
Filing: 1967-08-16
•
Granted: 1970-05-26
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Expires: 1987-08-16
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Abstract

No abstract record available.

Inventors

  • 👤 Ronald L Eller
  • 👤 Ronald L Gowler
  • 👤 Milton Lief

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:28
CPC Classifications
B; B65; B65B; B65B23/00; B65B23/20; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2057; Y10T83/444; Y10T83/4443; Y10T83/525; Y10T83/533

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

AT220457B Cited
US3182539A Cited
US3235433A Cited
US3212229A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-25 1973-11-24 1974-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-25 1977-11-24 1978-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-25 1981-11-24 1982-05-26 $7700.00 Window Closed / Lapsed

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