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US1688172A Expired / Lapsed US ⏱️ 0.0 years remaining

Steam fitting for journals of rotary steam cylinders or the like

Assignee: Beloit Iron Works Inc
•
Filing: 1924-11-24
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Granted: 1928-10-16
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Expires: 1944-11-24
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Abstract

No abstract record available.

Inventors

  • 👤 Aldrich Alonzo
  • 👤 Earl E Berry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:46
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0812; F16L27/082; F16L39/00; F16L39/04; D; D21; D21F; D21F5/00; D21F5/02; D21F5/021

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) 1931-10-16 1932-04-16 1932-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-10-16 1936-04-16 1936-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-10-16 1940-04-16 1940-10-16 $7700.00 Window Closed / Lapsed

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