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US814856A Expired / Lapsed US ⏱️ 0.0 years remaining

Mining-drill.

Assignee: Individual
•
Filing: 1905-10-19
•
Granted: 1906-03-13
•
Expires: 1925-10-19
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Abstract

No abstract record available.

Inventors

  • 👤 Frank Lonski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:53
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/62; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761

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) 1909-03-12 1909-09-11 1910-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1913-03-12 1913-09-11 1914-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1917-03-12 1917-09-11 1918-03-13 $7700.00 Window Closed / Lapsed

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