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US664902A Expired / Lapsed US ⏱️ 0.0 years remaining

Earth-auger.

Assignee: Individual
•
Filing: 1900-05-11
•
Granted: 1901-01-01
•
Expires: 1920-05-11
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Abstract

No abstract record available.

Inventors

  • 👤 Elmon Scott
  • 👤 Edson Gerry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:41
CPC Classifications
E; E21; E21B; E21B25/00

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) 1904-01-01 1904-07-02 1905-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1908-01-01 1908-07-02 1909-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1912-01-01 1912-07-02 1913-01-01 $7700.00 Window Closed / Lapsed

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