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US3518142A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for applying hot melt adhesive to corrugated paperboard

Assignee: Sunoco Inc
•
Filing: 1965-07-21
•
Granted: 1970-06-30
•
Expires: 1985-07-21
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Abstract

No abstract record available.

Inventors

  • 👤 William P Dooley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:36
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/40; B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2804; B31F1/2818; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/1025; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24736; Y10T428/31504; Y10T428/31855; Y10T428/31935

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1519281A Cited
US1770757A Cited
US1981338A Cited
US3189502A Cited
US3308006A Cited
US3204602A Cited
US3419641A Cited
US3341104A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-06-29 1973-12-29 1974-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-06-29 1977-12-29 1978-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-06-29 1981-12-29 1982-06-30 $7700.00 Window Closed / Lapsed

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