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US4087024A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid dispenser

Assignee: GRABER ROGG Inc
•
Filing: 1976-02-27
•
Granted: 1978-05-02
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Expires: 1996-02-27
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Abstract

Abstract A fluid dispenser which includes a container having a collapsible, recoverable portion and a valve assembly connected thereto which includes a flexing flap for closing and opening an air opening extending into the container for permitting air to enter the container, the air being compressed and used to dispense fluid from the container through a valve nozzle in response to the actuation of the collapsible, recoverable portion.

Inventors

  • 👤 Harold B. Martin
  • 👤 Arthur R. Weber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 07:12
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/32; B65D1/323; B05; B05B; B05B11/00; B05B11/01; B05B11/04; B05B11/047; B65D25/00; B65D25/38; B65D25/40; B65D25/42

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 240 words
In a fluid dispenser having a container provided with a bellowed wall portion to form a chamber, and which is capable of compressing and recovering in response to the application of a force thereon, a molded valve assembly connected to said container, which comprises: a lower member having a base provided with an aperture therein, a dispensing tube communicating with said aperture, a flex type flap member integrally connected to and extending from said base in a substantially similar plane, said flap member having a thickness relatively smaller than that of the base, and an upper member having a body portion removably connected to said base and which forms a dispensing nozzle when connected to said base, a head portion extending from said body portion, and a formed air opening extending through said head portion for communication with the chamber of the container, said air opening being located in spacial relationship with the container chamber such that one side of the flex type flap member is in normally intimate contact with the formed air opening and the other side of the flap member is exposed to the container chamber, the member capable of being moved from said air opening in response to external air passing through said air opening into the container and being moved against said air opening upon compressed air being generated within the container for forcing fluid from the chamber through the dispensing tube and dispensing nozzle.
Claim 2
Dependent Claim 240 words
In a fluid dispenser having a container provided with a bellowed wall portion to form a chamber, and which is capable of compressing and recovering in response to the application of a force thereon, a molded valve assembly connected to said container, which comprises: a lower member having a base provided with an aperture therein, a dispensing tube communicating with said aperture, a flex type flap member integrally connected to and extending from said base in a substantially similar plane, said flap member having a thickness relatively smaller than that of the base, and an upper member having a body portion removably connected to said base and which forms a dispensing nozzle when connected to said base, a head portion extending from said body portion, and a formed air opening extending through said head portion for communication with the chamber of the container, said air opening being located in spacial relationship with the container chamber such that one side of the flex type flap member is in normally intimate contact with the formed air opening and the other side of the flap member is exposed to the container chamber, the member capable of being moved from said air opening in response to external air passing through said air opening into the container and being moved against said air opening upon compressed air being generated within the container for forcing fluid from the chamber through the dispensing tube and dispensing nozzle.
Claim 3
Dependent Claim 21 words
In a fluid dispenser, according to claim 1, wherein the lower member and upper member are comprised of a molded material.

References Cited (Backward Citations)

US2014881A Cited
US2250022A Cited
US2532690A Cited
US2642204A Cited
US2784882A Cited
US2854175A Cited
US3176883A Cited
US3372846A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-05-01 1981-10-31 1982-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-05-01 1985-10-31 1986-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-05-01 1989-10-31 1990-05-02 $7700.00 Window Closed / Lapsed

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