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US828632A Expired / Lapsed US ⏱️ 0.0 years remaining

Hollow milling and burnishing tool.

Assignee: JOSEPH R STAUFFER
•
Filing: 1905-08-29
•
Granted: 1906-08-14
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Expires: 1925-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 Isaac W Sprink

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:04
CPC Classifications
B; B23; B23G; B23G5/00; B23G5/08; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T279/17692; Y10T279/17717; Y10T29/00; Y10T29/47; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/859; Y10T408/8591; Y10T408/89; Y10T408/893; Y10T82/00; Y10T82/25; Y10T82/2583

Claims Analysis

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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) 1909-08-13 1910-02-12 1910-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1913-08-13 1914-02-12 1914-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1917-08-13 1918-02-12 1918-08-14 $7700.00 Window Closed / Lapsed

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