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US1286083A Expired / Lapsed US ⏱️ 0.0 years remaining

Rectal speculum.

Assignee: Sharp & Smith
•
Filing: 1918-07-01
•
Granted: 1918-11-26
•
Expires: 1938-07-01
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Abstract

No abstract record available.

Inventors

  • 👤 John R Pennington

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:58
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/31; A61B17/00; A61B17/34; A61B17/3417; A61B17/3421; A61B2017/345; A61B2017/3452

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) 1921-11-25 1922-05-27 1922-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1925-11-25 1926-05-27 1926-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1929-11-25 1930-05-27 1930-11-26 $7700.00 Window Closed / Lapsed

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