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Improvements in or relating to dynamo-electric apparatus. Philips, April 1, 1949: GB621005-A (3 worldwide citation)

621,005. Cores for dynamo-electric machines. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Feb. 10, 1947, No. 3830. Convention date, Dec. 20, 1943. [Class 35] A 4-pole laminated stator core is of square or rectangular shape, its pole pairs 4, 5 being of unequal length so that suitably shaped ...


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A device for holding and displaying loose articles such as teeth for dentures, buttons and the like. William Cecil Stacey, April 1, 1949: GB621006-A (2 worldwide citation)

621,006. Attaching articles to cards. STACEY, W. C. Feb. 10, 1947, No. 3845. [Class 94(i)] A device for holding or displaying loose articles, such as buttons 5 or teeth for dentures, comprises a substantially rigid sheet 1 having a plurality of openings 2 arranged in one or more rows and, secured to ...


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Improvements relating to respiratory gas masks. Englebert & Co Commandite Par, Luciean A Dolphe Jean Baptiste, April 1, 1949: GB621010-A (2 worldwide citation)

621,010. Respiratory masks. ENGLEBERT & CO. , and DAUTREBANDE, L. A. J. B. G. Feb. 10, 1947, No. 3882. Convention date, Feb. 9, 1946. [Class 81 (ii)] A mask for protection against dust and gases is open to the atmosphere at its upper edge 7 and is supplied with air under pressure through a nipple 3. ...


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Improvements relating to fastening devices. Tinnerman Products, April 1, 1949: GB620988-A (2 worldwide citation)

620,988. Stud-and-socket fastenings. TINNERMAN PRODUCTS, Inc. Feb. 7, 1947, No. 3633. Convention date, Aug. 26, 1946. [Class 44] A fastener, e.g. for securing a condenser shield 1 to a panel 5 comprises a strip of spring metal providing a pair of spaced legs 11, 21 one of which 11 has a securing tab ...


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Improvements in and connected with electric switches of the push button type. Crabtree & J A, Walter Edward Hill, April 1, 1949: GB620961-A (2 worldwide citation)

620,961. Retractive switches. CRABTREE & CO., Ltd., J. A., and HILL, W. E. Feb. 5, 1947. No. 3379. [Class 38(v)] A push-button switch has a deformable cup associated with the button to ensure a waterproof assembly. A corrugated cup a of rubber or other flexible material has at its open end a bead k ...


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Improvements in or relating to socket wrenches. Hjorth & Co, April 1, 1949: GB620970-A (2 worldwide citation)

620,970. Wrenches. AKTIEBOLAGET, B. A., HJORTH & CO. Feb. 5, 1947, No. 3454. Convention date, Feb. 9, 1946. [Class 61(iii)] [Also in Group XXII] A socket-wrench comprises a portion 1 cut off from a drawn steel tube of inner double hexagon or other profile butt-welded to a portion 2 cut-off from a tu ...


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Improvements in or relating to refrigerating apparatus. Westinghouse Electric Int, April 1, 1949: GB620951-A (2 worldwide citation)

620,951. Refrigerating; thermostats. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Feb. 4, 1947, No. 3291. Convention date, Feb. 5, 1946. [Classes 29 and 64(ii)] In a compression refrigerating system, defrosting is effected by flooding the evaporator tube with warm liquid refrigerant normally retained in ...


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An improved finger-stretching appliance. Otto Bolliger, April 1, 1949: GB620952-A (2 worldwide citation)

620,952. Finger - stretching appliances. BOLLIGER, O. Feb. 4, 1947, No. 3305. [Class 81(ii)] A splint 1 strapped or buckled to the forearm has individual finger-splint extensions 9 swingably mounted thereon, each consisting of a strip of ductile material bendable to suit the therapeutic requirements ...


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Improvements in or relating to commutators for dynamo-electric machines. Alexander Henry Smith, Alexander Maurice Smith, April 1, 1949: GB620930-A (2 worldwide citation)

620,930. Commutators for dynamo-electric machines. SMITH, A. H., and SMITH, A. M. Feb. 3, 1947, No. 3151. [Class 35] A commutator in which the bars are embedded in moulded insulating material employs a metal ring which is first folded as in Fig. 1 and then, ih sequential operations, (1) pressed to f ...