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US1083541A Expired / Lapsed US ⏱️ 0.0 years remaining

Perforating device.

Assignee: Individual
•
Filing: 1912-02-20
•
Granted: 1914-01-06
•
Expires: 1932-02-20
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Abstract

No abstract record available.

Inventors

  • 👤 Albert Kettnich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 07:09
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/08; B26D1/085; B21; B21D; B21D53/00; B21D53/82

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) 1917-01-05 1917-07-07 1918-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1921-01-05 1921-07-07 1922-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1925-01-05 1925-07-07 1926-01-06 $7700.00 Window Closed / Lapsed

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