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US1157233A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-purifying device.

Assignee: Individual
•
Filing: 1914-11-14
•
Granted: 1915-10-19
•
Expires: 1934-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Luther C Lashmet

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:15
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/467; C02F1/46104; C02F1/46109; C02F2001/46123; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/4611; C02F2301/00; C02F2301/02; C02F2301/026

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) 1918-10-18 1919-04-19 1919-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1922-10-18 1923-04-19 1923-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1926-10-18 1927-04-19 1927-10-19 $7700.00 Window Closed / Lapsed

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