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US2003243A Expired / Lapsed US ⏱️ 0.0 years remaining

Toothbrush

Assignee: Individual
•
Filing: 1933-07-29
•
Granted: 1935-05-28
•
Expires: 1953-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence W Campbell
  • 👤 Wilber P Watson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 01:42
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/002; A46B5/0025; A46B7/00; A46B7/06

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) 1938-05-27 1938-11-26 1939-05-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1942-05-27 1942-11-26 1943-05-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1946-05-27 1946-11-26 1947-05-28 $7700.00 Window Closed / Lapsed

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