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US734351A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve.

Assignee: REUEL HARVEY THAYER JR
•
Filing: 1902-01-29
•
Granted: 1903-07-21
•
Expires: 1922-01-29
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Abstract

No abstract record available.

Inventors

  • 👤 William C Mckeown

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 10:55
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/528; F16K31/5284

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) 1906-07-20 1907-01-19 1907-07-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1910-07-20 1911-01-19 1911-07-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1914-07-20 1915-01-19 1915-07-21 $7700.00 Window Closed / Lapsed

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