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US561346A Expired / Lapsed US ⏱️ 0.0 years remaining

Drilling-machine

Assignee: —
•
Filing: —
•
Granted: 1896-06-02
•
Expires: 1913-06-02
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 02:58
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/22; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/3788; Y10T408/38; Y10T408/3811; Y10T408/65; Y10T408/66

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) 1899-06-02 1899-12-02 1900-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1903-06-03 1903-12-03 1904-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1907-06-03 1907-12-03 1908-06-03 $7700.00 Window Closed / Lapsed

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