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US1760310A Expired / Lapsed US ⏱️ 0.0 years remaining

Rock drill

Assignee: Sullivan Machinery Co
•
Filing: 1927-06-22
•
Granted: 1930-05-27
•
Expires: 1947-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Edward E Miller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:19
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/08; B25D17/082; Y; Y10; Y10S; Y10S279/00; Y10S279/904; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042; Y10T279/17111; Y10T279/17863; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/53; Y10T29/53796; Y10T29/5383

Claims Analysis

Total Claims: 0
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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) 1933-05-26 1933-11-25 1934-05-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-05-26 1937-11-25 1938-05-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-05-26 1941-11-25 1942-05-27 $7700.00 Window Closed / Lapsed

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