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US807774A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic electrical measuring and recording instrument.

Assignee: Siemens and Halske AG
•
Filing: 1904-11-22
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Granted: 1905-12-19
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Expires: 1924-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 Paul Rasehorn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:59
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/28; G01D9/32; G01D9/34

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) 1908-12-18 1909-06-19 1909-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1912-12-18 1913-06-19 1913-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1916-12-18 1917-06-19 1917-12-19 $7700.00 Window Closed / Lapsed

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