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US1427979A Expired / Lapsed US ⏱️ 0.0 years remaining

Effervescent mixture

Assignee: ROYAL BAKING POWDER CO
•
Filing: 1919-08-11
•
Granted: 1922-09-05
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Expires: 1939-08-11
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Abstract

No abstract record available.

Inventors

  • 👤 William E Stokes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 03:50
CPC Classifications
A; A21; A21D; A21D2/00; A21D2/08; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974; Y10S411/983

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1925-09-04 1926-03-06 1926-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1929-09-04 1930-03-06 1930-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1933-09-04 1934-03-06 1934-09-05 $7700.00 Window Closed / Lapsed

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