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US746402A Expired / Lapsed US ⏱️ 0.0 years remaining

Combined valve-seat and packing-ring.

Assignee: Individual
•
Filing: 1903-07-31
•
Granted: 1903-12-08
•
Expires: 1923-07-31
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Abstract

No abstract record available.

Inventors

  • 👤 Charles Sutton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:59
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7854; Y10T137/7857

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) 1906-12-07 1907-06-08 1907-12-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1910-12-07 1911-06-08 1911-12-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1914-12-07 1915-06-08 1915-12-08 $7700.00 Window Closed / Lapsed

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