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US2855127A Expired / Lapsed US ⏱️ 0.0 years remaining

Dispensing pump and check valve therefor

Assignee: Gillette Co LLC
•
Filing: 1956-01-23
•
Granted: 1958-10-07
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Expires: 1976-01-23
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Abstract

No abstract record available.

Inventors

  • 👤 Louis L Lerner
  • 👤 Safianoff Albert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:57
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; F04B43/0063; B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1028; B05B11/1032; F04B53/00; F04B53/10; F04B53/1002; F04B53/101; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE340428C Cited
US2005299A Cited
US2044629A Cited
US2250813A Cited
US2275051A Cited
US2275972A Cited
US2322139A Cited
US2690278A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-10-06 1962-04-07 1962-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-10-06 1966-04-07 1966-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-10-06 1970-04-07 1970-10-07 $7700.00 Window Closed / Lapsed

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