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US2962843A Expired / Lapsed US ⏱️ 0.0 years remaining

Packaging method

Assignee: Dow Chemical Co
•
Filing: 1955-06-02
•
Granted: 1960-12-06
•
Expires: 1975-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Russell L Hoelzer
  • 👤 George H Lacy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:33
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/10; B65B9/24; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/1013

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-12-06 1964-06-06 1964-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-12-06 1968-06-06 1968-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-12-06 1972-06-06 1972-12-06 $7700.00 Window Closed / Lapsed

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