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US3002433A Expired / Lapsed US ⏱️ 0.0 years remaining

Spiral wound paper tube having seamless outer surface

Assignee: Sonoco Products Co
•
Filing: 1958-01-10
•
Granted: 1961-10-03
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Expires: 1978-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Charles K Dunlap

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 08:19
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/49; B29C65/00; B29C65/02; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/116; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/4329; B31; B31C; B31C3/00; B29C66/02; B29C66/022; B29C66/0224; B29C66/02245; B29C66/496; B29K; B29K2711/00; B29K2711/12; B29K2711/123

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1287945A Cited
US2751936A Cited
US2785700A Cited
US2895511A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-02 1965-04-03 1965-10-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-02 1969-04-03 1969-10-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-02 1973-04-03 1973-10-03 $7700.00 Window Closed / Lapsed

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