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US210965A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in siphons

Assignee: —
•
Filing: —
•
Granted: 1878-12-17
•
Expires: 1895-12-17
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:25
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4436; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2781; Y10T137/2802; Y10T137/2808; Y10T137/2815; Y10T137/2822; Y10T137/4456

Claims Analysis

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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) 1881-12-16 1882-06-17 1882-12-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1885-12-16 1886-06-17 1886-12-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1889-12-16 1890-06-17 1890-12-17 $7700.00 Window Closed / Lapsed

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