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US3398875A Expired / Lapsed US ⏱️ 0.0 years remaining

Egg cartons

Assignee: United Industrial Syndicate Inc
•
Filing: 1966-12-30
•
Granted: 1968-08-27
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Expires: 1986-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Gerald A Snow
  • 👤 Harold A Doughty

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:29
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)

US2771233A Cited
US2970734A Cited
US3185370A Cited
US3138314A Cited
US3215326A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-08-27 1972-02-26 1972-08-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-08-27 1976-02-26 1976-08-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-08-27 1980-02-26 1980-08-27 $7700.00 Window Closed / Lapsed

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