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US2295658A Expired / Lapsed US ⏱️ 0.0 years remaining

Closure with hemispherical liner

Assignee: Alcoa Corp
•
Filing: 1939-06-03
•
Granted: 1942-09-15
•
Expires: 1959-06-03
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Abstract

No abstract record available.

Inventors

  • 👤 Emerson E Hogg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:51
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/10; B65D41/12; Y; Y10; Y10S; Y10S220/00; Y10S220/19

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1945-09-14 1946-03-16 1946-09-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-09-14 1950-03-16 1950-09-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-09-14 1954-03-16 1954-09-15 $7700.00 Window Closed / Lapsed

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