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US748515A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-column.

Assignee: WILLIAM S ELLIOTT
•
Filing: 1902-06-09
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Granted: 1903-12-29
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Expires: 1922-06-09
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Abstract

No abstract record available.

Inventors

  • 👤 William Mccomb

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 13:43
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/0007; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3143; Y10T137/3146; Y10T137/7287; Y10T137/7358; Y10T137/7404; Y10T137/7423; Y10T137/7426; Y10T137/7436

Claims Analysis

Total Claims: 0
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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) 1906-12-28 1907-06-29 1907-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1910-12-28 1911-06-29 1911-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1914-12-28 1915-06-29 1915-12-29 $7700.00 Window Closed / Lapsed

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