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US2594599A Expired / Lapsed US ⏱️ 0.0 years remaining

Tank opening assembly

Assignee: AO Smith Corp
•
Filing: 1948-04-12
•
Granted: 1952-04-29
•
Expires: 1968-04-12
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Abstract

No abstract record available.

Inventors

  • 👤 William C Uhri

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:36
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/08; F16L41/086; Y; Y10; Y10S; Y10S220/00; Y10S220/917; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/966; Y10T; Y10T403/00; Y10T403/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1391396A Cited
US1591057A Cited
US2064963A Cited
US2170712A Cited
US2330306A Cited
US2404777A Cited
US2409907A Cited
US2457066A Cited
US2450173A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-04-29 1955-10-29 1956-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-04-29 1959-10-29 1960-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-04-29 1963-10-29 1964-04-29 $7700.00 Window Closed / Lapsed

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