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US2190277A Expired / Lapsed US ⏱️ 0.0 years remaining

Dental brush

Assignee: Individual
•
Filing: 1937-04-10
•
Granted: 1940-02-13
•
Expires: 1957-04-10
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Abstract

No abstract record available.

Inventors

  • 👤 Viragh Stephen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:30
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/026; A46B9/04; A46B2200/00; A46B2200/10; A46B2200/1066; A46B2200/1073

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1943-02-12 1943-08-14 1944-02-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-02-12 1947-08-14 1948-02-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-02-12 1951-08-14 1952-02-13 $7700.00 Window Closed / Lapsed

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