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US1662670A Expired / Lapsed US ⏱️ 0.0 years remaining

Measuring instrument

Assignee: Individual
•
Filing: 1927-09-19
•
Granted: 1928-03-13
•
Expires: 1947-09-19
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur L Harter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:59
CPC Classifications
A; A61; A61C; A61C19/00; A61C19/04; A61B; A61B5/00; A61B5/103; A61B5/107; A61B5/45; A61B5/4538; A61B5/4542; A61B5/4547; A61B5/68; A61B5/6801; A61B5/6813; A61B5/6814; A61B5/6815; A61B5/6816

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1931-03-13 1931-09-12 1932-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-03-13 1935-09-12 1936-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-03-13 1939-09-12 1940-03-13 $7700.00 Window Closed / Lapsed

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