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US2452262A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1944-12-18
•
Granted: 1948-10-26
•
Expires: 1964-12-18
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Abstract

No abstract record available.

Inventors

  • 👤 Rosan Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 15:48
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104; F16J15/106; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US408320A Cited
US879604A Cited
GB116236A Cited
US1616996A Cited
US1708736A Cited
US1643034A Cited
US1701816A Cited
GB385732A Cited
DE665046C Cited
US2118648A Cited
US2370944A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-10-26 1952-04-26 1952-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-10-26 1956-04-26 1956-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-10-26 1960-04-26 1960-10-26 $7700.00 Window Closed / Lapsed

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