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US2500306A Expired / Lapsed US ⏱️ 0.0 years remaining

Fountain brush and attachment therefor

Assignee: Individual
•
Filing: 1946-06-19
•
Granted: 1950-03-14
•
Expires: 1966-06-19
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Abstract

No abstract record available.

Inventors

  • 👤 Brodsky Saul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 04:19
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/06; A46B11/063

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1325200A Cited
GB191205998A Cited
GB240179A Cited
US1716980A Cited
US2041173A Cited
US2206208A Cited
US2388605A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-03-13 1953-09-12 1954-03-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-03-13 1957-09-12 1958-03-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-03-13 1961-09-12 1962-03-14 $7700.00 Window Closed / Lapsed

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