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US960912A Expired / Lapsed US ⏱️ 0.0 years remaining

Piston-valve.

Assignee: HEANY LAMP Co
•
Filing: 1909-04-16
•
Granted: 1910-06-07
•
Expires: 1929-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 John Allen Heany

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:37
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; F16K17/194; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4621

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1913-06-06 1913-12-06 1914-06-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1917-06-06 1917-12-06 1918-06-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1921-06-06 1921-12-06 1922-06-07 $7700.00 Window Closed / Lapsed

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