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US3765576A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for dispensing photographic chemicals

Assignee: Individual
•
Filing: 1972-04-10
•
Granted: 1973-10-16
•
Expires: 1992-04-10
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Abstract

Abstract A device for dispensing liquid photographic chemicals, in which a plurality of containers are disposed in a circle, each container having an outlet leading downwardly into a covered frustro-conical bowl disposed below the containers, the bowl having a central outlet conduit. Valve means control the flow individually from each container into the bowl. Valve controlled ducts also lead into the bowl for connection with a source of pressurized liquid such as rinse water.

Inventors

  • 👤 R Ramsdale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:52
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/06

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 147 words
Apparatus for dispensing liquid photographic chemicals, comprising: a plurality of containers disposed in a circle, each container defining a well having (a) an outlet conduit opening from the bottom portion thereof, (b) a cooling conduit disposed in the bottom portion thereof, and (c) heating means disposed in the bottom portion thereof; a frusto-conical bowl disposed below the containers, said bowl having upstanding radial baffles therein and a cover, the outlet conduits extendiNg downwardly from the containers and opening into the bowl through the cover thereof for the passage of the liquid photographic chemicals from the containers into the bowl; valve means in each of the outlet conduits for controlling the flow of liquid from each of the containers into the bowl; outlet means leading centrally from the bottom of the bowl; and conduit means opening into the bowl for the passage of cleansing liquid into the bowl.
Claim 2
Dependent Claim 147 words
Apparatus for dispensing liquid photographic chemicals, comprising: a plurality of containers disposed in a circle, each container defining a well having (a) an outlet conduit opening from the bottom portion thereof, (b) a cooling conduit disposed in the bottom portion thereof, and (c) heating means disposed in the bottom portion thereof; a frusto-conical bowl disposed below the containers, said bowl having upstanding radial baffles therein and a cover, the outlet conduits extendiNg downwardly from the containers and opening into the bowl through the cover thereof for the passage of the liquid photographic chemicals from the containers into the bowl; valve means in each of the outlet conduits for controlling the flow of liquid from each of the containers into the bowl; outlet means leading centrally from the bottom of the bowl; and conduit means opening into the bowl for the passage of cleansing liquid into the bowl.
Claim 3
Dependent Claim 17 words
Apparatus as claimed in claim 1 in which a circular well is segmented to form the containers.
Claim 4
Dependent Claim 32 words
Apparatus as claimed in claim 2 in which the well carries a cover having an opening therethrough, the well cover being rotatable to provide access to only one container at a time.
Claim 5
Dependent Claim 28 words
Apparatus as claimed in claim 1 in which each heating means comprises an electrical heating coil, and means to connect each coil individually with an electrical power source.
Claim 6
Dependent Claim 25 words
Apparatus as claimed in claim 1 including thermostatic probe means located in at least one of the containers and connected to regulate the heating means.
Claim 7
Dependent Claim 42 words
Apparatus as claimed in claim 1 in which the passage means opening into the bowl comprises at least one duct opening substantially tangentially into the peripheral portion of the bowl and spray means centrally located in the bowl adjacent the cover thereof.
Claim 8
Dependent Claim 20 words
Apparatus as claimed in claim 1 including means opening into the bowl outlet means for the passage of liquid thereinto.
Claim 9
Dependent Claim 23 words
Apparatus as claimed in claim 1 in which the cover is separable from the bowl and from the outlet conduits of the containers.

References Cited (Backward Citations)

US19824A Cited
US1205494A Cited
US2653733A Cited
US3133675A Cited
US3143167A Cited
US3385569A Cited
US3460717A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-10-15 1977-04-16 1977-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-10-15 1981-04-16 1981-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-10-15 1985-04-16 1985-10-16 $7700.00 Window Closed / Lapsed

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