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US2594636A Expired / Lapsed US ⏱️ 0.0 years remaining

Humidifier

Assignee: Individual
•
Filing: 1945-04-25
•
Granted: 1952-04-29
•
Expires: 1965-04-25
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Abstract

No abstract record available.

Inventors

  • 👤 Gazda Antoine

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:55
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/022; F02M25/0221; F02M25/0225; F02M25/025; F02M25/028; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR533501A Cited
US1462767A Cited
US1470156A Cited
US1687090A Cited
US1619029A Cited
US1755733A Cited
US1945431A Cited
US1857512A Cited
FR721474A Cited
US2083436A Cited
US2108556A 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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