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US3146718A Expired / Lapsed US ⏱️ 0.0 years remaining

Pump for sani-quick glassware

Assignee: Hobart Manfacturing Co
•
Filing: 1962-05-17
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Granted: 1964-09-01
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Expires: 1982-05-17
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Abstract

No abstract record available.

Inventors

  • 👤 Gerald B Fox
  • 👤 Donald E Vandeveer
  • 👤 Henry E Welch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:27
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/0065; A47L15/0068; A47L15/42; A47L15/44; A47L15/4418

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 86 words
IN A GLASS WASHING MACHINE, PUMP MEANS FOR METERING SELECTED QUANTITIES OF FLUID MATERIAL HAVING CLEANSING PROPERTIES, SAID PUMP COMPRISING A HOUSING PROVIDED WITH CENTRALLY LOCATED PASSAGE THERETHROUGH, A RECIPROCABLE PISTON SLIDABLY RECEIVED IN THE LONGITUDINAL PASSAGE OF SAID HOUSING, PASSAGE MEANS EXTENDING THROUGH SAID PISTON IN THE DIRECTION OF THE RECIPROCABLE MOVEMENT THEREOF, SAID PISTON HAVING A REDUCED DIAMETER PORTION FORMING AN ANNULAR CHAMBER IN CONJUNCTION WITH SAID HOUSING, RADIAL PASSAGE MEANS CONNECTING SAID PASSAGE MEANS IN SAID PISTON WITH SAID ANNULAR CHAMBER, STEM ADJUSTABLY
Claim 2
Dependent Claim 86 words
IN A GLASS WASHING MACHINE, PUMP MEANS FOR METERING SELECTED QUANTITIES OF FLUID MATERIAL HAVING CLEANSING PROPERTIES, SAID PUMP COMPRISING A HOUSING PROVIDED WITH CENTRALLY LOCATED PASSAGE THERETHROUGH, A RECIPROCABLE PISTON SLIDABLY RECEIVED IN THE LONGITUDINAL PASSAGE OF SAID HOUSING, PASSAGE MEANS EXTENDING THROUGH SAID PISTON IN THE DIRECTION OF THE RECIPROCABLE MOVEMENT THEREOF, SAID PISTON HAVING A REDUCED DIAMETER PORTION FORMING AN ANNULAR CHAMBER IN CONJUNCTION WITH SAID HOUSING, RADIAL PASSAGE MEANS CONNECTING SAID PASSAGE MEANS IN SAID PISTON WITH SAID ANNULAR CHAMBER, STEM ADJUSTABLY

References Cited (Backward Citations)

US2192325A Cited
US2577572A Cited
US2837898A Cited
US2832296A Cited
US2858767A Cited
US2926592A Cited
US3044092A Cited
US2955539A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-01 1968-03-02 1968-09-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-01 1972-03-02 1972-09-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-01 1976-03-02 1976-09-01 $7700.00 Window Closed / Lapsed

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