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US682585A Expired / Lapsed US ⏱️ 0.0 years remaining

Dipping-needle compass.

Assignee: William Gardam & Son
•
Filing: 1897-12-29
•
Granted: 1901-09-10
•
Expires: 1917-12-29
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Abstract

No abstract record available.

Inventors

  • 👤 Henry D Cotter
  • 👤 Joseph W A Gardam

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:24
CPC Classifications
G; G01; G01C; G01C17/00

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) 1904-09-09 1905-03-11 1905-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1908-09-09 1909-03-11 1909-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1912-09-09 1913-03-11 1913-09-10 $7700.00 Window Closed / Lapsed

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