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US766976A Expired / Lapsed US ⏱️ 0.0 years remaining

Support for hand-drills.

Assignee: Individual
•
Filing: 1904-03-24
•
Granted: 1904-08-09
•
Expires: 1924-03-24
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Abstract

No abstract record available.

Inventors

  • 👤 Frank P Shek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:35
CPC Classifications
B; B23; B23B; B23B35/00; B23B35/005; B25; B25H; B25H1/00; B25H1/0021; B25H1/0057; B25H1/0064; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5623

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) 1907-08-09 1908-02-08 1908-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1911-08-09 1912-02-08 1912-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1915-08-09 1916-02-08 1916-08-09 $7700.00 Window Closed / Lapsed

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