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US1697576A Expired / Lapsed US ⏱️ 0.0 years remaining

Dental drill

Assignee: Individual
•
Filing: 1923-03-05
•
Granted: 1929-01-01
•
Expires: 1943-03-05
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Abstract

No abstract record available.

Inventors

  • 👤 John C Shotton
  • 👤 Scherf Theodore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:12
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/18; A61C1/181; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17529; Y10T279/17547

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) 1932-01-01 1932-07-02 1933-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1936-01-01 1936-07-02 1937-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1940-01-01 1940-07-02 1941-01-01 $7700.00 Window Closed / Lapsed

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