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US3497131A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Kartridg Pak Co
•
Filing: 1968-05-20
•
Granted: 1970-02-24
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Expires: 1988-05-20
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Abstract

No abstract record available.

Inventors

  • 👤 Alan C Tracy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 10:59
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/04; B65D75/06; B65D75/10; B65D75/52; B65D75/58; B65D75/66; A; A22; A22C; A22C13/00; A22C2013/0036

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2121564A Cited
US2811455A Cited
US3362615A Cited
US3391617A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-23 1973-08-25 1974-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-23 1977-08-25 1978-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-23 1981-08-25 1982-02-24 $7700.00 Window Closed / Lapsed

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