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US2820619A Expired / Lapsed US ⏱️ 0.0 years remaining

Powder blending device

Assignee: GEN BEAUTY PRODUCTS Inc
•
Filing: 1955-06-24
•
Granted: 1958-01-21
•
Expires: 1975-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 Dache Lilly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:29
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/808; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3204

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE221290C Cited
US2034214A Cited
FR948881A Cited
US2778613A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-01-20 1961-07-22 1962-01-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-01-20 1965-07-22 1966-01-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-01-20 1969-07-22 1970-01-21 $7700.00 Window Closed / Lapsed

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