1977-09-19
1979-04-03
Hix, L. T.
354340, G03D 1312
Patent
active
041474236
ABSTRACT:
A frame assembly having a plurality of open sides to permit developing fluid to flow therethrough. A film holding assembly is formed into and extends between the ends of the frame assembly. A guide assembly is connected between the frame assembly ends across one open side of the frame assembly and in alignment with the film holding assembly. The guide assembly includes guide bars having structures detectable by touch formed thereon, each guide bar being distinguished by the number and location of said structures.
REFERENCES:
patent: 2153810 (1939-04-01), Mercer
patent: 2402765 (1946-06-01), Millman
patent: 2447986 (1948-08-01), Millman
patent: 2519682 (1950-08-01), Magill
patent: 2655849 (1953-10-01), White et al.
patent: 2829575 (1958-04-01), Collins
patent: 3135188 (1964-06-01), Hixon et al.
patent: 3316827 (1967-05-01), Hill
Hix L. T,.
Mathews Alan
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