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US2847249A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid spraying device

Assignee: Individual
•
Filing: 1957-02-26
•
Granted: 1958-08-12
•
Expires: 1977-02-26
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Abstract

No abstract record available.

Inventors

  • 👤 Walter G Evans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 13:09
CPC Classifications
B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/047; A; A62; A62C; A62C13/00; A62C13/003

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1473979A Cited
US1674515A Cited
US2531717A Cited
US2544854A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-08-11 1962-02-10 1962-08-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-08-11 1966-02-10 1966-08-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-08-11 1970-02-10 1970-08-12 $7700.00 Window Closed / Lapsed

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