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US1142238A Expired / Lapsed US ⏱️ 0.0 years remaining

Shock-absorber and safety attachment for percussion-operated tools.

Assignee: Individual
•
Filing: 1914-08-31
•
Granted: 1915-06-08
•
Expires: 1934-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 George Cook

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:45
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/24; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042; Y10T279/17094; Y10T279/17102

Claims Analysis

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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) 1918-06-07 1918-12-07 1919-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1922-06-07 1922-12-07 1923-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1926-06-07 1926-12-07 1927-06-08 $7700.00 Window Closed / Lapsed

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