51
Baldi Alfonso L: Process of stripping aluminide coating from cobalt and nickel base alloys. Alloy Surfaces Company, November 23, 1971: US3622391 (36 worldwide citation)

An improved stripping process for removing as produced aluminide coatings and exposed aluminide coatings from cobalt base and nickel base superalloys, using 1/2 to 5 percent of hydrofluoric acid or an acid fluoride having at least one mole of hydrofluoric acid, 3 to 20 percent of nitric acid and wat ...


52
Stolfa Frank, Stine Laurence O: Slurry processing for black oil conversion. Universal Oil Products Company, November 23, 1971: US3622498 (35 worldwide citation)

A catalytic slurry process for effecting the conversion of a hydrocarbonaceous charge stock containing asphaltenes and metallic contaminants. The slurry constitutes the charge stock, hydrogen, a portion of the previously produced product effluent and from about 1.0 to about 25.0 percent by weight of ...


53
Hilbert Wolfgang: Shield termination for electrical connectors. The Bunker Ramo Corporation, November 23, 1971: US3622952 (35 worldwide citation)

Shield termination including clamp means are used for connection to a connector shell and for clamping engagement with an end portion of an outer flexible metallic shield of a cable, such clamp means being operable independently of strain relief means engaged with a portion of the cable shield space ...


54
Newman Nicholas S: Creped fiber-film combination and process therefor. The Kendall Company, November 23, 1971: US3622434 (34 worldwide citation)

A lightweight fibrous fleece is prepared, containing a sufficient proportion of heat-retractable fibers to make the fleece potentially capable of shrinking 20 percent or more in area if heated without restraint. The fleece as prepared is bonded to a soft film which does not shrink to any great exten ...


55
Rupp William Emory, Cox Richard Monroe, Keough Robert Alexander: Combined dipole and waveguide radiator for phased antenna array. The Bendix Corporation, November 23, 1971: US3623112 (34 worldwide citation)

An antenna includes a waveguide slot aperture radiator and a dipole radiator centrally located therein and located longitudedly with respect to the waveguide a quarter wavelength from the aperture. Each radiator is separately excited.


56
Berstein Gregor, Boonstra Bram B: Rubber reinforcing compositions. Cabot Corporation, November 23, 1971: US3622650 (34 worldwide citation)

Superior rubber reinforcing compositions comprising mixtures of carbon black and silica are provided by fluid energy milling of the combined ingredients. Among other attributes the resulting reinforcing composition display improved cut growth resistance characteristics in natural rubber formulations ...


57
Elledge Jr Fred Russell: Directional warning system. Cassell Co, November 23, 1971: US3622980 (34 worldwide citation)

Method and apparatus for directing traffic from a distance in which a plurality of lamps are arranged in two interleaved groups with each group defining at least three arrowheads aligned one behind the other and arrowheads of separate groups being opposed. The lamps of a selected group are sequentia ...


58
Czech James I, Platt Clark I: Filter for a washing appliance. Whirlpool Corporation, November 23, 1971: US3622003 (33 worldwide citation)

A filter or trap, especially adapted for removing lint and particulate material from wash water in automatic domestic washing machines having wash and drain cycles, comprises a self-contained unit with a stack of centrally apertured filter disks within a housing having a lower end filtering cycle su ...


59
Bryk William: Motor vehicle body mount. Ford Motor Company, November 23, 1971: US3622194 (33 worldwide citation)

A body mount for connecting a motor vehicle body part to the vehicle frame. A pair of resilient, apertured insulators are positioned on either side of the frame with the insulator apertures in registry with a frame aperture. The configurations of the insulators allow them to be interlocked and held ...


60
Nyul Paul: Light-emitting diode array. RCA Corporation, November 23, 1971: US3622906 (33 worldwide citation)

A light-emitting diode array comprises a substrate of insulating material having one side formed with a plurality of steps. A separate row of spaced-apart, similarly oriented diodes is disposed on the tread surface of each of the steps. Corresponding diodes in the different rows are disposed in colu ...