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US2525062A Expired / Lapsed US ⏱️ 0.0 years remaining

Vent structure

Assignee: HOTPOINT Inc
•
Filing: 1944-06-09
•
Granted: 1950-10-10
•
Expires: 1964-06-09
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Abstract

No abstract record available.

Inventors

  • 👤 Leo F Berg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:55
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2007

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US223977A Cited
US539382A Cited
US1491654A Cited
USRE22177E Cited
US2107972A Cited
US2224945A Cited
US2339197A Cited
US2384262A Cited
US2387734A Cited
US2337349A Cited
US2375047A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-10-09 1954-04-10 1954-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-10-09 1958-04-10 1958-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-10-09 1962-04-10 1962-10-10 $7700.00 Window Closed / Lapsed

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