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US638002A Expired / Lapsed US ⏱️ 0.0 years remaining

Flushing apparatus.

Assignee: Individual
•
Filing: 1898-02-10
•
Granted: 1899-11-28
•
Expires: 1918-02-10
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Abstract

No abstract record available.

Inventors

  • 👤 James W Berry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:29
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0401; E03F5/0402; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2802; Y10T137/2815; Y10T137/2822; Y10T137/2842; Y10T137/2849; Y10T137/4456; Y10T137/4463; Y10T137/4531

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) 1902-11-28 1903-05-30 1903-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1906-11-28 1907-05-30 1907-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1910-11-28 1911-05-30 1911-11-29 $7700.00 Window Closed / Lapsed

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