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US2705124A Expired / Lapsed US ⏱️ 0.0 years remaining

Diaphragm valves

Assignee: Crane Process Flow Technologies Ltd
•
Filing: 1949-08-05
•
Granted: 1955-03-29
•
Expires: 1969-08-05
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Abstract

No abstract record available.

Inventors

  • 👤 Price Richard Hector
  • 👤 Kaye Oliver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 18:18
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/12; F16K7/123

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US57329A Cited
US650179A Cited
US945992A Cited
US1716200A Cited
FR785393A Cited
GB527917A Cited
FR882556A Cited
US2397373A Cited
US2354958A Cited
US2381544A Cited
FR921432A Cited
US2509143A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-03-28 1958-09-27 1959-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-03-28 1962-09-27 1963-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-03-28 1966-09-27 1967-03-29 $7700.00 Window Closed / Lapsed

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