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An improved filing device for photographic negatives and the like. Frank Graham Sarel Whitfield, Cuthbert Jack Golledge, December 13, 1940: GB530555-A (4 worldwide citation)

530,555. Filing papers; index tabs; picture mounts. WHITFIELD. F. G. S., and GOLLEDGE. C. J. June 27, 1939, No. 18705. [Classes 11, 16 and 146 (i)] A storage and indexing device for photographic micro-films comprises a leaf with parallel pockets having finger openings. the films having index tabs se ...


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Improvements in and relating to guiding means for rivets and the like. Amiot F, December 13, 1940: GB530563-A (3 worldwide citation)

530,563. Riveting. AMIOT. F. June 27, 1939, No. 18747. Convention date, July 2, 1938. [Class 83 (iv)] A device for delivering rivets 2 or the like into a hole 3 includes at least two groups of guides 121, 122, spring-pressed or resilient or both, arranged in different planes perpendicular to the dir ...


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Improvements relating to slicing machines. Berkel & Parnall Mach Mfg Co, Henry Thomas, December 13, 1940: GB530535-A (2 worldwide citation)

530,535. Sharpening slicing-machine cutters. BERKEL & PARNALL'S SLICING MACHINE MANUFACTURING CO., Ltd., and THOMAS, H. June 27, 1939, No. 18636. [Class 60] Relates to grinding-means for the circular cutters of slicing machines of the type in which the device is displaceable into and out from an ope ...


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Improvements in and relating to cable for use in alarm systems. Willis Gerald Holmes, December 13, 1940: GB530538-A (2 worldwide citation)

530,538. Thermal switches. HOLMES, W. G. June 27, 1939, No. 18647. [Class 38 (v)] A two-wire cable to be connected at one end in series with a battery and an alarm has one, at least, of the conductors 13, 14 of resilient material so strained, as by twisting, that the two conductors normally would be ...


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Improvements in method and apparatus for cutting steel sheets. George Edward Black, December 13, 1940: GB530554-A (2 worldwide citation)

530,554. Shearing; making sheets. BLACK, G. E. June 27, 1939, No. 18703. [Classes 83 (ii) and 83 (iv)] Metal sheet feeds.-Flat, cut to length and width, steel sheets are produced from continuous stock having untrimmed edges but being of substantially uniform width by passing the stock through a stra ...



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