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US3550832A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Dow Chemical Co
•
Filing: 1969-04-01
•
Granted: 1970-12-29
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Expires: 1989-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Charles E Fitzgerald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:37
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0233; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00277; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00555; B65D2543/00953; B65D2543/00962; B65D2543/00972

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-12-28 1974-06-29 1974-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-28 1978-06-29 1978-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-28 1982-06-29 1982-12-29 $7700.00 Window Closed / Lapsed

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