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Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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| Number | Title | Issue Date |
| 7080950 | Pencil with buffering effect for preventing a pencil lead from breaking A pencil with buffering effect for prevent a pencil lead from breaking comprises a head tube; a stepped element installed within the head tube and resisting against a front end of the spring; a spring; the spring having two sections, a front section and a rear secti... | 07/25/2006 |
| 6854909 | Lead propelling device The lead propelling device of the invention is a lead propelling device having a structure for gripping and releasing the lead by a lead gripping mechanism by knocking operation, not transmitting the knocking force to the lead gripping mechanism in knock forward ope... | 02/15/2005 |
| 6783292 | Double-chuck mechanical pencil A double-chuck mechanical pencil comprises a barrel, a barrel cap detachably attached to a front end of the barrel, a lead tank inserted in the barrel, a feed chuck for feeding leads, combined with the lead tank, a sleeve bolster disposed on the front side of the fe... | 08/31/2004 |
| 6705789 | Mechanical pencil A mechanical pencil has a tubular member having a front end and a rear end. A slide member is disposed at the front end of the tubular member for axial sliding movement therein. The slide member has a lead passageway for receiving a pencil lead. A lead advancement m... | 03/16/2004 |
| 6547466 | Mechanical pencil A mechanical pencil, includes an external cylinder, a lead delivery mechanism disposed in the external cylinder, the lead delivery mechanism having a lead-fastening chuck which fastens a lead and moves back and forth in the external cylinder to deliver th... | 04/15/2003 |
| 6517271 | Double-chuck mechanical pencil A double-chuck mechanical pencil having a front lead chuck for holding a lead and a back lead chuck for advancing a lead which is composed of a barrel, a lead tank connected to the back lead chuck, an adapter attached to the back of the lead tank which is... | 02/11/2003 |
| 6517272 | Double-chuck mechanical pencil A double-chuck mechanical pencil having a front lead chuck for holding a lead and a back lead chuck for advancing a lead which is composed of a barrel, a lead tank connected to the back lead chuck, an adapter attached to the back of the lead tank which is... | 02/11/2003 |
| 6379067 | Double-chuck mechanical pencil A double-chuck mechanical pencil has an outer tube, a tip fitting provided in the front of the outer tube, a tip chuck located at the tip of the tip fitting for holding a writing substance (e.g., a lead) and urged rearward in the axial directed, and a del... | 04/30/2002 |
| 6334728 | Double-chuck mechanical pencil A double-chuck mechanical pencil includes a barrel having an open front end part, an inner tube inserted in the barrel, a front chuck having a first chucking head and supported on a front end part of the inner tube with a front end part of the first chuck... | 01/01/2002 |
| 6247863 | Press type mechanical pencil A press type mechanical pencil includes an upper barrel, a press device, a refill tube, an abutting rod, a clamp/release device and a lower barrel. An insert post of the clamp/release device has a top portion connected to the abutting rod which is central... | 06/19/2001 |
| 6203226 | Side-knock type mechanical pencil A side-knock type mechanical pencil comprising a barrel having an opening in a side wall, a chuck mechanism housed in the forepart of the barrel, a slider moved back and forth within the barrel to open and close the chuck mechanism, a knock lever which is... | 03/20/2001 |
| 6203227 | Double chuck type mechanical pencil A double chuck type mechanical pencil comprising a lead tank 4 slidably provided within an axial tube 1, a rear chuck 5 for drawing out a lead fixedly mounted on the front end of the lead tank 4, a chuck ring 6 loosely fitted in the rear chuck 5, a rear r... | 03/20/2001 |
| 6089775 | Retractable-lead mechanical pencil A slider type mechanical pencil has an outer tubular member having a front end and a rear end. An inner tubular member is disposed in the outer tubular member for axial movement therein and has a lead advancement mechanism for axial movement within the ou... | 07/18/2000 |
| 6082916 | Mechanical pencil In a mechanical pencil capable of double-chuck and side-knock type lead control functions, a slide member is axially slidably fitted in a barrel fixedly provided at its front end with a head cap, a knocking member is pivotally supported in an opening form... | 07/04/2000 |
| 6039484 | Writing instrument A writing instrument comprises a barrel provided with a tip element at the front thereof, a writing mechanism provided longitudinally movably within the barrel, a resilient element for biasing the writing mechanism backward, a knock member detachably moun... | 03/21/2000 |
| 6039485 | Double-chuck mechanical pencil A double-chuck mechanical pencil has an outer tube, a tip fitting provided in the front of the outer tube, a tip chuck located at the tip of the tip fitting for holding a writing substance (e.g., a lead) and urged rearward in the axial directed, and a del... | 03/21/2000 |
| 5988913 | Double-chuck mechanical pencil In a double-chuck mechanical pencil provided with an eraser, the torsional breakage of a lead gripped by a front lead chuck and a back lead chuck due to the turning of a lead tank caused when an eraser is used is prevented, and inconvenience to a lead sup... | 11/23/1999 |
| 5947620 | Double-chuck mechanical pencil A double-chuck mechanical pencil comprises: a barrel; a barrel cap attached to the barrel; a lead tank axially slidably inserted in the barrel; a back chuck fixedly joined to the front end of the lead tank; a chuck ring loosely fitted on the chucking head... | 09/07/1999 |
| 5846009 | Writing tool A writing tool in which flexible pieces 24a projecting diametrically outward are provided in sleeve 24 of writing shaft body 11, while holding holes 10a are provided in outer case 10. By inserting parts of flexible pieces 24a into holding holes 10a, respe... | 12/08/1998 |
| 5340224 | Push-type writing instrument A push-type writing instrument, particularly a pencil, includes a retaining collar downwardly protruded from a pair of radially opposed fingers provided on a tapered forward portion of an outer body in which a lead is retained, having two arm members with... | 08/23/1994 |
| 5052838 | Mechanical pencil A mechanical lead pencil having the capability of feeding different diameter leads. A first collet is disposed in the pencil barrel for feeding the lead and a second collet is located at the barrel open end for retaining the lead during use of the pencil.... | 10/01/1991 |
| 5022772 | Rotary knock type mechanical pencil A rotary knock type mechanical pencil in which the forward and rearward outer cylindrical are relatively rotated, a cam movement converting mechanism stored in the forward outer cylinder converts the rotary movement into an axial advancing or retracting m... | 06/11/1991 |
| 5004362 | Mechanical pencil A mechanical pencil which employs the concept of inverting the configuration of a conventional mechanical pencil by designating the depressible end as the writing end and the stationary end as the eraser and thereby providing the convenience of advancing ... | 04/02/1991 |
| 4987911 | Cosmetic pencil A cosmetic pencil capable of advancing a soft cosmetic mass a short predetermined distance. The pencil has a lower barrel which includes a gripping disk stop. A hollow sheath member is held in the lower barrel and has an outwardly facing cam surface. A ho... | 01/29/1991 |
| 4979839 | Mechanical pencil having an automatic lead extending mechanism A mechanical pencil having an automatic lead extending mechanism which has a radially displaceable member disposed on an entire circumference of the pencil body. The lead protrudes from a tip end of the pencil body when the radially displaceable member is... | 12/25/1990 |
| 4957384 | Mechanical pencil A mechanical pencil in which a lead guide pipe may protect a lead in a range from a lead chuck to the tip member or an extremity end of the slider by the tip member or the slider or the projection bar as well as the lead guide pipe so as to protect the le... | 09/18/1990 |
| 4895467 | Rotary knock type mechanical pencil A rotary knock type mechanical pencil in which the forward and rearward outer cylinders are relatively rotated, a cam movement converting mechanism stored in the forward outer cylinder converts the rotary movement into an axial advancing or retracting mov... | 01/23/1990 |
| 4872776 | Lead chuck of mechanical pencil A lead chuck of a mechanical pencil to be assembled into a lead feeding mechanism of a rear end knock type, an automatic lead feeding type and an extremity end knock type mechanical pencil in which it is arranged within the sleeve through a resilient memb... | 10/10/1989 |
| 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 |
| 4838721 | Automatic lead advance for mechanical pencils An automatic lead advance for a mechanical pencil having a tubular casing, a conical member joined to the front end portion of the tubular casing, a ring fixed to the inner surface of the conical member, an annular pivotable member provided at the front s... | 06/13/1989 |
| 4729684 | Mechanical pencil Mechanical pencil in which a chuck assembly for gripping a lead is formed with plural chuck elements mutually combined with each other. The chuck assembly has an internal longitudinal hole to insert a lead through and a lead gripping portion to grip the l... | 03/08/1988 |
| 4720203 | Push-button type mechanical pencil A push-button type mechanical pencil consisting of a barrel which is composed of a clip-carrying upper barrel member and a metal tip-carrying lower barrel member, which barrel members are engaged with each other at a substantially intermediate portion of ... | 01/19/1988 |
| 4714365 | Mechanical pencil A mechanical pencil wherein a slider 11 in contact with a lead and an outer tube 1 with different frictional resistances other than a lead delivery mechanism for effecting lead-feed by general knocking operation are provided within the outer tube 1 or a f... | 12/22/1987 |
| 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 |
| 4663846 | Cutter having a retractable and removable blade A blade is removably supported on one end of a shank which is axially movably disposed in a tubular holder. The shank has an axially extending slit terminating at the end thereof for supporting the blade therein and a tapered portion having an outside dia... | 05/12/1987 |
| 4659327 | Multiple dosage syringe A multiple, metered dosage device having an elongated body provided adjacent one end with a compartment or an ampule to contain material to be dispensed, a piston movable against the material to discharge it from a nozzle, a rod-like plunger movable by a ... | 04/21/1987 |
| 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 |
| 4627756 | Lead propelling mechanism for a mechanical pencil A lead propelling mechanism for a mechanical pencil includes a lead chuck, a ring fitted loosely about the chuck for tightening its head, a sleeve having a front end contacting the ring, and an elastic member having a front end bearing on the front end of... | 12/09/1986 |
| 4595306 | Pencil with sharpener An automatic pencil with a lead-sharpening device, has a pencil lead of a diameter of 2 mm inserted into the pipe sleeve of the pencil case in which a lead-sharpening knife holder is attached. Whenever the lead becomes dull, the user presses and turns the... | 06/17/1986 |
| 4573817 | Mechanical pencil A mechanical pencil having a cylindrical barrel (1) and a sheath (2) in axial relationship is disclosed. A spiral member (4) in fixed relationship with the sheath and in axially sliding relationship with the barrel for a predetermined range engages a slid... | 03/04/1986 |
