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US3485265A Expired / Lapsed US ⏱️ 0.0 years remaining

Three-way stopcock

Assignee: Becton Dickinson and Co
•
Filing: 1965-12-01
•
Granted: 1969-12-23
•
Expires: 1985-12-01
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Abstract

No abstract record available.

Inventors

  • 👤 Frank S Buono

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:46
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/083; F16K11/0833; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8292; Y10T137/8309; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US117853A Cited
US260615A Cited
US3124335A Cited
US1258235A Cited
AT177085B Cited
US3185179A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-22 1973-06-23 1973-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-22 1977-06-23 1977-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-22 1981-06-23 1981-12-23 $7700.00 Window Closed / Lapsed

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