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US828036A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve-protector.

Assignee: J M HOGAN
•
Filing: 1905-06-24
•
Granted: 1906-08-07
•
Expires: 1925-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 Robert F Lindsay

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:43
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K2200/00; F16K2200/30; F16K2200/305; F16K2200/3053; Y; Y10; Y10S; Y10S137/00; Y10S137/906; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915; Y10T137/7919; Y10T137/7922; Y10T137/7929; Y10T137/7935

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) 1909-08-06 1910-02-05 1910-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1913-08-06 1914-02-05 1914-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1917-08-06 1918-02-05 1918-08-07 $7700.00 Window Closed / Lapsed

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