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US491116A Expired / Lapsed US ⏱️ 0.0 years remaining

System and device for elevating water by pneumatic pressured

Assignee: —
•
Filing: —
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Granted: 1893-02-07
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Expires: 1910-02-07
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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 2026-10-23 11:03
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/073; F04B43/0736

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) 1896-02-07 1896-08-08 1897-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1900-02-07 1900-08-09 1901-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1904-02-08 1904-08-09 1905-02-08 $7700.00 Window Closed / Lapsed

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