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US1163471A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve.

Assignee: ELECTRO DENTAL Manufacturing Co
•
Filing: 1914-02-04
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Granted: 1915-12-07
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Expires: 1934-02-04
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Abstract

No abstract record available.

Inventors

  • 👤 Adolph W Schramm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:51
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G17/0523; B60G17/0525; F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/044; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919

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) 1918-12-06 1919-06-07 1919-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1922-12-06 1923-06-07 1923-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1926-12-06 1927-06-07 1927-12-07 $7700.00 Window Closed / Lapsed

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