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US2677490A Expired / Lapsed US ⏱️ 0.0 years remaining

Molded pulp carton

Assignee: Shellmar Products Corp
•
Filing: 1948-07-23
•
Granted: 1954-05-04
•
Expires: 1968-07-23
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Abstract

No abstract record available.

Inventors

  • 👤 Harold S Crane

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 04:15
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/324

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1822936A Cited
FR748732A Cited
US2088603A Cited
US2455295A Cited
US2446264A Cited
US2466579A Cited
US2423756A Cited
US2569681A Cited
US2529140A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-05-03 1957-11-02 1958-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-05-03 1961-11-02 1962-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-05-03 1965-11-02 1966-05-04 $7700.00 Window Closed / Lapsed

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