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US646886A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric signaling device for hydraulic hose.

Assignee: Individual
•
Filing: 1899-11-09
•
Granted: 1900-04-03
•
Expires: 1919-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 Benjamin L Stowe
  • 👤 John J Voorhees

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:44
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/12; F16L11/127

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) 1903-04-03 1903-10-03 1904-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-04-03 1907-10-03 1908-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-04-03 1911-10-03 1912-04-03 $7700.00 Window Closed / Lapsed

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