Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 4046256 | Container construction An improved container construction, particularly useful for arranging and securing a plurality of separable items therein. The unassembled container has a generally planar configuration and contains a bottom wall defining a floor upon which the items to b... | 09/06/1977 |
| 4045313 | Electrolytic recovery from bituminous materials Chemical products are obtained by oxidative electrolysis of an electrolytically active slurry of bituminous material and alkaline electrolyte.... | 08/30/1977 |
| 4043885 | Electrolytic pyrite removal from kerogen materials An electrolytically active slurry of bituminous, kerogen-containing material is subjected to non-oxidative electrolysis to remove pyrite therefrom.... | 08/23/1977 |
| 4043881 | Electrolytic recovery of economic values from shale oil retort water Evolved ammonia is recovered from the electrolysis of shale oil retort water.... | 08/23/1977 |
| 4043813 | Photoconductive particles of zinc oxide An improved photoconductive surface coating is provided having panchromatic sensitivity and increased resistance against spectral response shift upon reuse of the photoconductive layer. The surface coating comprises zinc oxide particles, a minor amount of... | 08/23/1977 |
| 4043195 | Digital thermodynamic flow-meter An apparatus is disclosed for measuring instantaneous rate of flow and total flow of a fluid. The data are obtained by measuring the quantity of energy necessary to replace an equivalent amount of heat dissipated from a temperature-sensitive transducer di... | 08/23/1977 |
| 4043884 | Electrolytic hydrogenation of leached oil shale components The kerogen components of shale oil are upgraded by reductive electrolysis.... | 08/23/1977 |
| 4041753 | Press brake attachment for forming and cutting metal An apparatus is disclosed for use in a press brake to be actuated between the ram and bed of such an apparatus to cut and form metal workpieces. The ram of the press brake receives a striker bar that engages a force member to coact with a bed member of th... | 08/16/1977 |
| 4042330 | In a method for checking the accuracy of a test using an enzymatically hydrolyzable, serum-soluble cholesterol compound Water and serum soluble cholesterol compounds are prepared by reactively combining certain esters of cholesterol with a solubilizing agent selected from the group consisting of peptides, proteins, water soluble polycarboxylic acids, organic and inorganic ... | 08/16/1977 |
| 4041288 | Voltage level display circuit A voltage level display circuit for providing a display of the magnitude of the reference voltage level to a comparator circuit. A microprocessor is responsive to an input command signal to generate a digital reference voltage level which is converted by ... | 08/09/1977 |
| 4040784 | Method for checking the accuracy of a test, using a serum-soluble cholesterol compound Water and serum soluble cholesterol compounds are prepared by reactively combining a lower acid ester of cholesterol with a peptide or protein as solubilizing agent. The water-soluble cholesterol compounds can be lyophilized and added to serum as a standa... | 08/09/1977 |
| 4040395 | Engine selectively utilizing hybrid thermodynamic combustion cycles An engine is disclosed incorporating a block means defining a plurality of cylinder chambers for containing reciprocating pistons that are coupled to provide output drive power. Means are incorporated in the block means for valving the cylinder chambers t... | 08/09/1977 |
| 4038063 | Method and apparatus for making continuous foam glass product A continuous process for the manufacture of cellular ceramic product. Ceramic feed material is transported successively through a preheat kiln section, through a foaming section whereat foaming agent mixed with the ceramic feed material is activated, and ... | 07/26/1977 |
| 4034573 | Composite article formed by superposed shapes of two members An ornament which consists of at least two members suspended from a necklace, wristlet or similar retaining member. Each of the two members is movable relative to the retaining member as a result of a loop or ring affixed to each of the various members an... | 07/12/1977 |
| 4034991 | Swing training apparatus Apparatus for use by one manipulating a device to be swung such as a golf club, bat or the like. A weighted member such as a slider is secured to another member for guiding the slider through a pre-determined path, such for example, as an arcuate guide me... | 07/12/1977 |
| 4033580 | Elastic type exercising At least four elongated straps of a highly elastic resilient material, such as stiffened rubber, each having a thickened handle portion at the outer end, extend outwardly in divergent directions from a central junction where the inner ends are integrally ... | 07/05/1977 |
| 4033526 | Aerodynamic flow body Disclosed is an increased lift aircraft or similar device having an airfoil shaped forward structure. A mass flow engine, such as a jet engine, is positioned to the rear of this structure. In operation, the intake air flow for the engine flows around the ... | 07/05/1977 |
| 4031904 | Removable water tight base for bong A removable water tight seal and base assembly for a bong or a water smoking pipe is disclosed. The smoking pipe has a tube for retaining water or other filtering substances and a sealing cap is detachably secured to the bottom of the tube with the cap an... | 06/28/1977 |
| 4031285 | Lightweight, reinforced foamed organic polymer and cementitious material structure A lightweight, reinforced structural material, having low density and high flexure and compression strengths, is prepared by combining together inorganic cementitious material and organic polymer-forming material to form a mixture and forming the mixture ... | 06/21/1977 |
| 4028818 | Tracked incline teaching apparatus An educational apparatus for teaching subject matter relating to mechanics and for demonstrating a number of experiments. The apparatus, in kit form, consists of an assortment of balls of diverse properties, and a pair of upright, parallel, elongate membe... | 06/14/1977 |
| 4028743 | Protective head-wear A protective head-wear including a shell or helmet-like member for protecting the head of a wearer and a face shield of the full face protective type. The face shield may be constructed of a transparent member such as a solid clear plastic or alternativel... | 06/14/1977 |
| 4027872 | Sheet separation device A sheet separation device is disclosed for use in a printing press to facilitate the removal of individual paper sheets from a stack to receive printing. The device is employed in cooperation with a supported stack of paper and a contiguous apparatus for ... | 06/07/1977 |
| 4023949 | Evaporative refrigeration system Air is evaporatively cooled by water in which the evaporating water is kept separate from the useful air (cooled air stream) by means of a heat exchanger so that cooling is performed without the addition of water vapor to the useful air, and in which the ... | 05/17/1977 |
| 4021106 | Apparatus for electrostatic reproduction using plural charges An improved process for electrostatic reproduction. A transparent charged sheet of insulating material, such as a thin insulating film bearing a uniform electrostatic charge on one side thereof, or an electret, is placed against an electrostatically charg... | 05/03/1977 |
| 4016905 | Regulator for liquefied petroleum gas systems A regulator is disclosed for receiving gas from a variable-pressure supply, to safely provide gas as to consuming appliances, in demand quantities and at a regulated pressure. A valve body of the regulator provides a metering passage between high and low ... | 04/12/1977 |
| 4015433 | Method for settling anchoring device in the ground The present invention relates to an anchoring device which rigidly supports many kinds of standing objects in public works or in the construction industry and provides resistance to pulling loads exerted on the device, and also to a method for settling th... | 04/05/1977 |
| 4015364 | Pinata having weakened bottom wall and means for breaking same A pinata for enclosing a plurality of small items carried on a bottom wall in which the bottom wall is formed with a line of weakness for enabling it to break-away upon application thereto of a moderate force such as obtained by shaking so that the items ... | 04/05/1977 |
| 4014670 | Hazard neutralizing container An apparatus is provided for neutralizing the harmful effects of hazardous material stored within a rigid housing which might otherwise escape to the atmosphere. A cavity within the rigid housing receives the hazardous material. The cavity is airtight exc... | 03/29/1977 |
| 4011698 | Construction apparatus and method An outdoor shelter particularly of the type normally utilized in transit systems constructed of extruded aluminum members. The extruded members include outwardly extending fins each of which is scored along its base line to permit portions thereof to be e... | 03/15/1977 |
| 4010413 | Plural frequency geological exploration system and method with phase comparison A system is disclosed for investigating subterranean formations by analyzing the propagation of low-frequency radio transmissions. Commensurate signals of different frequencies are received from a transmitting station and are processed into a phase-compar... | 03/01/1977 |
| 4008656 | Brewing apparatus A pour-over type coffee brewing apparatus is disclosed adapted for mounting under a cabinet or shelf and having a water receiver assembly containing means for immediately heating a charge of water and having a temperature-actuated valve for discharging th... | 02/22/1977 |
| 4007053 | Method and apparatus for scrubbing the ends and sides of a motor vehicle The system disclosed is a brushing installation for use in scrubbing the front, rear and sides of a motor vehicle. A pair of front/side brushes and a pair of side/rear brushes provide double coverage of these surfaces during a single passage of the vehicl... | 02/08/1977 |
| 4005309 | Fabricated welding wire for corrosive-resistant stainless A fabricated electrode is disclosed in the form of an elongated or continuous metallic sheath, composed for example of cold-rolled mild steel, and containing specific components somewhat uniformly distributed along its length, and for use in shielded-arc ... | 01/25/1977 |
| 4002335 | Toy bank with coin return A toy bank is disclosed for accumulating coins while providing the fascination of a spinning-reel mechanism that designates predetermined winning-position combinations which return coins. Coins are returned by a delivery unit incorporating a sliding leaf ... | 01/11/1977 |
| 4001966 | Growing tray structure, as for mushrooms A container for a growing media, e.g. compost, is disclosed as for use in the production of mushrooms. A plurality of individual container sections with the upper end open, having a depth generally in excess of 20 inches and a width under 16 inches, are a... | 01/11/1977 |
| 4000573 | Marquee letters Letters for use on a marquee are constructed with a tray-like member having a front panel cut through with an opening in the form of desired indicia. The tray includes a continuous integral rim for containing a translucent flexible color panel, providing ... | 01/04/1977 |
| 3996945 | Extinguisher for cigarettes or cigars A disposable receptacle for cigarettes or cigars is formed of top and bottom juxtaposed bodies of rigid, foamed thermoplastic polymer and a layer of inorganic fire-resistant material sandwiched therebetween, disposed in a metal foil shell. A rigid frame m... | 12/14/1976 |
| 3996915 | Engine selectively utilizing hybrid thermodynamic combustion cycles An engine is disclosed incorporating a block means defining a plurality of cylinder chambers for containing reciprocating pistons that are coupled to provide output drive power. Means are incorporated in the block means for valving the cylinder chambers t... | 12/14/1976 |
| 3995427 | Multiple-phase combustion engine embodying hydraulic drive A power system is disclosed for use as an automotive drive engine, utilizing combustible fuel and hydraulic drive. A multiple-phase engine, incorporating three piston units, burns fuel to provide alternating-pressure tri-phasic hydraulic energy in three l... | 12/07/1976 |
| 3994639 | Apparatus for extruding concrete Apparatus for forming concrete articles in which augers convey "no-slump" concrete mix to a molding station with sufficient force to consolidate the mix. Friction is reduced at form surfaces of the molding station by high frequency vibration, greater than... | 11/30/1976 |
