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US3523635A Expired / Lapsed US ⏱️ 0.0 years remaining

Fiberboard box having strengthened bottom structure and connector corner joint

Assignee: CORRUGATED CONTAINER CO
•
Filing: 1968-05-02
•
Granted: 1970-08-11
•
Expires: 1988-05-02
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas E Croley
  • 👤 Richard O Morgan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 23:57
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06; B65D5/061; B65D5/42; B65D5/44; B65D5/441; B65D5/443

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2336763A Cited
US2439435A Cited
US3248039A Cited
US3275217A Cited
US3291369A Cited
US3361326A Cited
US3365111A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-08-10 1974-02-09 1974-08-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-08-10 1978-02-09 1978-08-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-08-10 1982-02-09 1982-08-11 $7700.00 Window Closed / Lapsed

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