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US1090902A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical valve.

Assignee: H A & L D Holland Co
•
Filing: 1912-09-30
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Granted: 1914-03-24
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Expires: 1932-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 John W Beckwith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:41
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0675; F16K31/0679

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) 1917-03-23 1917-09-22 1918-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1921-03-23 1921-09-22 1922-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1925-03-23 1925-09-22 1926-03-24 $7700.00 Window Closed / Lapsed

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