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US3203595A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure dispenser for semi-fluid substances

Assignee: Individual
•
Filing: 1963-06-03
•
Granted: 1965-08-31
•
Expires: 1983-06-03
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Abstract

No abstract record available.

Inventors

  • 👤 Melvin J Berkowitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:18
CPC Classifications
A; A47; A47F; A47F1/00; A47F1/02; A47F1/03; A47G; A47G19/00; A47G19/12; A47G19/18; A47G19/183

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 138 words
FOR USE FOR DISPENSING A SEMI-FLUID SUBSTANCE UNDER PRESSURE DURING A FRACTIONAL PORTION OF A SECOND, DISPENSER APPARATUS COMPRISING A DISPENSER HEAD HAVING AN OPENING, MEANS CONNECTED TO SAID DISPENSER HEAD TO SUPPLY SUCH SUBSTANCE UNDER PRESSURE, AND ELECTRICAL ACTUATING CONTROL MEANS INCLUDING IN CIRCUIT A SOLENOID-OPERATED VALVE INTERCONNECTED BETWEEN SAID SUPPLY MEANS AND SAID DISPENSER HEAD FOR GOVERNING THE FLOW OF THE SUBSTANE SO SUPPLIED, ELECTRICAL TIME-DELAY MEANS COUPLED TO SAID SOLENOIDOPERATED VALVE AND WHOSE ENERGIZATION LIMITS THE TIME INTERVAL SAID VALVE REMAINS OPEN WHEN ACTUATED, AND MANUALLY OPERATED SWITCH MEANS ELECTRICALLY CONNECTED TO SAID TIME-DELAY MEANS AND BY WHICH THE SOLENOID OF SAID VALVE IS ENERGIZED, WHEREBY FLOW UNDER PRESSURE IS INITIATED MANUALLY BY THE OPERATOR AND IS CUT OFF BY THE ELECTRICAL TIMEDELAY MEANS IN A LASER TIME THAN COULD BE CONTROLLED BY THE OPERATOR.
Claim 2
Dependent Claim 138 words
FOR USE FOR DISPENSING A SEMI-FLUID SUBSTANCE UNDER PRESSURE DURING A FRACTIONAL PORTION OF A SECOND, DISPENSER APPARATUS COMPRISING A DISPENSER HEAD HAVING AN OPENING, MEANS CONNECTED TO SAID DISPENSER HEAD TO SUPPLY SUCH SUBSTANCE UNDER PRESSURE, AND ELECTRICAL ACTUATING CONTROL MEANS INCLUDING IN CIRCUIT A SOLENOID-OPERATED VALVE INTERCONNECTED BETWEEN SAID SUPPLY MEANS AND SAID DISPENSER HEAD FOR GOVERNING THE FLOW OF THE SUBSTANE SO SUPPLIED, ELECTRICAL TIME-DELAY MEANS COUPLED TO SAID SOLENOIDOPERATED VALVE AND WHOSE ENERGIZATION LIMITS THE TIME INTERVAL SAID VALVE REMAINS OPEN WHEN ACTUATED, AND MANUALLY OPERATED SWITCH MEANS ELECTRICALLY CONNECTED TO SAID TIME-DELAY MEANS AND BY WHICH THE SOLENOID OF SAID VALVE IS ENERGIZED, WHEREBY FLOW UNDER PRESSURE IS INITIATED MANUALLY BY THE OPERATOR AND IS CUT OFF BY THE ELECTRICAL TIMEDELAY MEANS IN A LASER TIME THAN COULD BE CONTROLLED BY THE OPERATOR.

References Cited (Backward Citations)

US2955726A Cited
US2887250A Cited
US3120326A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-30 1969-03-01 1969-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-30 1973-03-01 1973-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-30 1977-03-01 1977-08-31 $7700.00 Window Closed / Lapsed

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