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US2713953A Expired / Lapsed US ⏱️ 0.0 years remaining

Valved closure

Assignee: American Sterilizer Co
•
Filing: 1952-05-08
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Granted: 1955-07-26
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Expires: 1972-05-08
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond L Jewell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:40
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/16; B65D51/1633; B65D51/1644; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7889

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1871984A Cited
US1694851A Cited
US2394911A Cited
US2443086A Cited
US2622762A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-07-25 1959-01-24 1959-07-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-07-25 1963-01-24 1963-07-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-07-25 1967-01-24 1967-07-26 $7700.00 Window Closed / Lapsed

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