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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7293926 | Device comprising a mechanism for driving a stick or a moving piston in a base portion A device for packaging and dispensing a substance including a drive mechanism having a first part and a second part capable of rotating around an axis relative to the first part to dispense a substance. The first or second part having an element which is axially sta... | 11/13/2007 |
| 7195117 | Soap holding device A soap holding device, besides fixedly holding a cake of soap, allows it to dry rapidly by draining off the water, thus obviating the possibility of a portion of the soap cake getting soft due to contact with moisture. ... | 03/27/2007 |
| 6854908 | Applicator for an arc-shaped composition stick An applicator for a circular arc-shaped solid composition comprises a housing defining a conduit that is sized to accept the circular arc-shaped solid composition stick. The conduit has a first end and a second end, the second end being open, and has a continuous ci... | 02/15/2005 |
| 6729785 | Method and device for advancing a lead and an eraser in a mechanical pencil and for advancing a pen and an eraser in a pen A mechanical pencil and/or pen and method for operating a mechanical pencil and/or pen is provided. The mechanical pencil includes a barrel, a lead chamber, a first pressure actuator, an eraser chamber, and a second pressure actuator. The first pressure actuator is ... | 05/04/2004 |
| 6702495 | Orbital marking pencil An orbital marking pencil includes a body assembly, a rotator assembly and a rotational support. The body assembly includes a plunger, a main spring and a support spring. A convoluted race is formed on an inner surface of the body assembly. The rotator as... | 03/09/2004 |
| 6695512 | Writing implement with movable sleeve A writing implement with a movable sleeve that can be raised by light finger pressure and automatically or manually lowered into a protective position between writing uses. Alternative means can be used to raise and lower the sleeve, such as but not limit... | 02/24/2004 |
| 6371673 | Dispenser including a pusher returned to an initial position by a tension member A dispenser for a substance such as lipstick. The dispenser includes containing a pusher for the substance and a declutchable drive to move the pusher in an axial direction within the body to dispense the substance. The pusher returns to an initial positi... | 04/16/2002 |
| 6136352 | Sanitary novelty candy product A novelty candy product comprises a cylindrical barrel having mounted therein a hard candy portion slidable relative to said barrel. The barrel includes an open mouth end removably covered by a cap which is frictionally or otherwise retained in closing re... | 10/24/2000 |
| 5934815 | Cosmetic container having spring biased cosmetic carrier A cosmetic container, such as for lipstick, having an upwardly biased cosmetic carrier for creating torque. A biasing member such as a spring is provided and is secured, according to one embodiment, at its bottom end to the bottom portion of the inner sle... | 08/10/1999 |
| 5832942 | Cosmetic pencil A cosmetic pencil having at least one applicator to which a detachable reservoir for a cosmetic substance is engaged. The applicator and the reservoir are spring-loaded and rotatable relative to each other. An axially displaceable cover having apertures i... | 11/10/1998 |
| 5570964 | Glue stick apparatus for a ring binder The glue stick apparatus for a ring binder comprises a housing having a peripheral edge with at least one hole being sized so as to accommodate a ring of a ring binder. The housing has a chamber formed therein. A glue stick support assembly is supported w... | 11/05/1996 |
| 5509743 | Cartridge for automatic pencil An automatic-pencil cartridge includes a lead automatic compensation device which is in the front section of the cartridge and which can be triggered to automatically output the lead for further writing when the lead is worn out and unsuitable for writing... | 04/23/1996 |
| 5490738 | Drawing implement A device is provided for transferring crayon or similar drawing material onto a surface. The device comprises an elongate tubular housing for housing a crayon, a transfer wheel, and a number of gears for rotating the crayon with respect to the wheel. The ... | 02/13/1996 |
| 5462376 | Mechanical pencil with improved slider mechanism A slider mechanism of a mechanical pencil is capable of fixing its lead guide at positions of its projection and withdrawal. The slider mechanism comprises a slider fixing the lead guide, the slider being provided with a sliding member sliding on the inte... | 10/31/1995 |
| 5294206 | Liquid application with resilient support A liquid applicator includes a tubular casing, a liquid holding member, and a support member. The support member whose modulus of elasticity is smaller than that of the liquid holding member is provided between a bottom end portion of the liquid holding m... | 03/15/1994 |
| 5230577 | Applicator for soft materials An improved applicator for soft materials includes a cartridge section and a relatively rotatable body section, the soft material being contained within the cartridge section and a plunger being provided to advance the soft material. The improvement resid... | 07/27/1993 |
| 5040914 | Device for the application of cosmetic materials In a device to apply cosmetic materials such as powders, pastes or similar substances by means of an applicator which is held against the surface of the cosmetic material in a storage chamber by spring pressure, it is envisioned that, in order to ensure a... | 08/20/1991 |
| 4957383 | Lead propelling device for an automatic pencil A lead propelling device for an automatic pencil includes an upper tubular body which has a through-hole tapering downward and a first lead clamping face at the lower end of the through-hole, the tubular body being split along an axial plane thereof to pe... | 09/18/1990 |
| 4840508 | Mechanical pencil capable of automatically propelling successive lengths of lead A mechanical pencil has a body with a lead storage chamber defined therein for housing spare lengths of lead, and a tubular lead guide receiving a length of lead and coaxially mounted in the body so as to partly protrude outwardly from its writing end. Du... | 06/20/1989 |
| 4705419 | Mechanical pencil with automatic lead advance A mechanical pencil for automatic drawing machines is disclosed which feeds lead segments to the writing surface as the pencil is alternately pressed against and lifted from the writing surface. The pencil includes a housing having a reserve lead containm... | 11/10/1987 |
| 4702398 | Product dispenser with advance/retract-type delivery means Solid or liquid products, such as deodorants are advanced for use and retracted for storage in a dispenser which includes a container, a product supporting cup slidably-mounted within the container, and a delivery mechanism to move the cup upwardly and do... | 10/27/1987 |
| 4678356 | Extendable writing instrument A mechanism for housing a writing or marking cartridge includes means for retaining the cartridge in a retracted position within the housing and means for extending the operative end of the cartridge beyond the housing and releasably locking it in place f... | 07/07/1987 |
| 4650359 | Mechanical pencil with automatic lead advance A mechanical pencil having a chuck mechanism which permits the lead to advance but prevents the lead from retracting, a first slider, a second slider which is retractable progressively as a writing pressure is applied, a first engagement device for holdin... | 03/17/1987 |
| 4538934 | Automatic lead advancing mechanism for a mechanical pencil An automatic lead advancing mechanism for a mechanical pencil has at its writing point a lead guide tube which is movable axially against a clamping member to cause radially movable components of the clamping member to clamp the lead therein during the wr... | 09/03/1985 |
| 4521126 | Mechanical pencil A mechanical pencil includes a lead engaging collet biased rearwardly, a collet receiver tube having a tapered guide face and rolling elements mounted between the tapered guide face and the collet for inducing a clamping force against a writing lead. The ... | 06/04/1985 |
| 4504163 | Mechanical pencil with automatic lead advance A mechanical pencil having a writing point tube slidably mounted on the forward end portion of a pencil casing, an annular slider device slidably mounted within the pencil casing and having a lead retainer, a first spring for urging the writing point tube... | 03/12/1985 |
| 4478529 | Writing implement with automatic lead projection A propelling or automatic writing implement having a lead which can be projected from the implement without pushing. An inner frame having a chuck assembly for permitting advance of the lead but preventing retraction of the lead and a lead protecting tube... | 10/23/1984 |
| 4459057 | Mechanical pencil with automatic lead advance A mechanical pencil with automatic lead advance in which a slider is temporarily locked at the time when a rearward thrust applied to the pencil tip is released. The slider is locked by an arrangement in which a movable locking tube is disposed around the... | 07/10/1984 |
| 4452544 | Mechanical pencil with automatic lead feed A mechanical pencil with automatic lead feed has a clamping mechanism for clamping a lead in such a manner that it holds the lead steadily against rearward movement but easily permits the lead to move forwardly. A lead tube is fixed at its rear end to the... | 06/05/1984 |
| 4167350 | Writing instrument A writing instrument in which a marking element is removably mounted in a casing and held in the casing by resilient means acting lengthwise of the writing instrument. A removable plug at one end of the casing holds the removable marking element under com... | 09/11/1979 |
