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US3464448A Expired / Lapsed US ⏱️ 0.0 years remaining

Diaphragm valve

Assignee: Honeywell Inc
•
Filing: 1967-11-08
•
Granted: 1969-09-02
•
Expires: 1987-11-08
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Abstract

No abstract record available.

Inventors

  • 👤 Robert Schmitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:40
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/022; F15; F15B; F15B18/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86558; Y10T137/86847; Y10T137/877; Y10T137/87829

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR76575E Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-01 1973-03-03 1973-09-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-01 1977-03-03 1977-09-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-01 1981-03-03 1981-09-02 $7700.00 Window Closed / Lapsed

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