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US3169081A Expired / Lapsed US ⏱️ 0.0 years remaining

Carton coating apparatus

Assignee: Waldorf Paper Products Co
•
Filing: 1959-05-14
•
Granted: 1965-02-09
•
Expires: 1979-05-14
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Abstract

No abstract record available.

Inventors

  • 👤 Iver L Nelson
  • 👤 Karl F Halladin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:57
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/08; D21H25/12; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062; D21H5/0067

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA535575A Cited
US1355219A Cited
US2053723A Cited
US2089524A Cited
US2270038A Cited
US2829980A Cited
US2882182A Cited
US2892735A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-02-09 1968-08-10 1969-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-02-09 1972-08-10 1973-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-02-09 1976-08-10 1977-02-09 $7700.00 Window Closed / Lapsed

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