U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 401/30 - Single actuator for simultaneous projection of one tool and retraction of another


Subclass of Class 401 - Coating implements with material supply
Definition: Implement including one means for imparting projection and
No. of patents: 34
Last issue date: 06/24/2008


NumberTitleIssue Date
7390137Writing instrument
A writing instrument comprising a smooth elongate case has a recessed switch for extending and retracting the tip of an ink cartridge. This allows the tip to be extended and retracted with one hand, while at the same time preventing the switch from being snagged by ...
06/24/2008
7334954Retractable felt tip pen with air seal system
A retractable felt tip pen has a seal system that prevents air from drying out the felt between uses. The seal system can be actuated with one hand, and comprises two sealing devices that may be used in series in the pen or may be used alone. The first sealing devic...
02/26/2008
7316506Dual temperature indicator stick holder
An apparatus to combine temperature indicator sticks used in the welding, metal fabrication, and heat treatment industries and capable of identifying at least two given temperatures is disclosed. The apparatus includes a first temperature indicator stick aligned alo...
01/08/2008
7284927Writing instrument including stick-shaped material propelling mechanism
A writing instrument including a stick-shaped material propelling mechanism which is capable of propelling a stick-shaped material without relatively rotating the stick-shaped material with a small number of components is provided. The writing instrument incl...
10/23/2007
7189020Pushbutton controlled correction tape assembly
A pushbutton controlled correction tape assembly includes a casing having therein a correction tape assembly having an application head, a pushbutton assembly received in the casing to selectively extend the application head of the correction tape assembly out of th...
03/13/2007
7128491Composite writing instrument
In a composite writing instrument having mounted therein a plurality of writing devices including at least one ball-point pen refill equipped with a tip of the ball-point pen at a top end and an ink reservoir section at a rear end so that writing tip portions may be...
10/31/2006
7083665Highlightable marking composition, method of highlighting the same, highlightable marking composition kit, and highlighted marking composition complex
A highlightable ink including a colored pigment and an eradicable colorant; a kit including the highlightable ink and an eradicator solution; an ink complex including a colorless or substantially colorless eradicable dye selected from the group consisting of diarylm...
08/01/2006
7080949Composite writing utensil
A composite writing utensil for housing a plurality of writing members, at least one of which is a propelling pencil writing member, comprises a front shaft, a rear shaft which is rotatable relative to the front shaft, and a guide shaft for guiding the writing membe...
07/25/2006
7066042Advancing/retracting mechanism
An advancing/retracting mechanism having a pair of cams is disclosed. The advancing/retracting mechanism includes a first cam, a second cam, and a barrel. The first cam includes an angled surface and a shoe, and the second cam includes an angled surface and a slider...
06/27/2006
7044668Stylized writing instrument
A stylized writing instrument shaped like a proprietary or familiar object. In general, embodiments of the invention include a housing shaped like the proprietary or familiar object, a writing implement, and internal mechanisms provided within the housing for extend...
05/16/2006
7014380Composite holding tool
A composite holding tool has a space in a rear barrel to be effectively used in order to expand a range of use of one composite holding tool. The composite holding tool includes a front barrel, a rear barrel rotatably connected to the front barrel, a plurality of ho...
03/21/2006
7008131Composite holding device
A composite holding device, includes a casing for accommodating a plurality of holders for holding media to serve either different or similar purposes, a supporting section for supporting the holders to be movable in an axial direction in the casing, a feed mechanis...
03/07/2006
6994484Composite writing tool
A composite writing tool wherein when the rear shaft is rotated relative to a front shaft, a cam sleeve rotates with the rear shaft, and the relative rotation occurring between the cam sleeve and the front shaft and an intermediate shaft causes one of writing shafts...
02/07/2006
6973932Toothpick and interdental brush combination
A toothpick and interdental brush combination comprises a case comprising a lengthwise groove on a side, first and second end openings both in communication with the groove; and an assembly slidable in the case, the assembly comprising a projected trigger member, a ...
12/13/2005
6939069Composite writing utensil
A composite writing utensil comprising a front barrel and a rear barrel, a cam body provided within the barrel unrotatable with respect to the rear barrel, and a slider unrotatable with respect to the front barrel and coupled to each of a plurality of writing shafts...
09/06/2005
6905539Black eradicable ink, methods of eradication of the same, eradicable ink kit, and eradicated ink complex
A shear-thinning eradicable ink including water, a dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and a solvent, wherein the ink has a shear-thinning index in the range of about 0.35 to about 1.0; a kit...
06/14/2005
6412998Multi-function writing instrument
A single writing instrument has multiple marking tips combined with a non-marking stylus tip. The single writing instrument is formed by two complimentary bodies which are joined together. The complimentary bodies are a front section and a rear section. T...
07/02/2002
6290413Writing instrument
A writing instrument includes a hollow barrel having a longitudinal slot defined through the barrel. The slot has two sides, and a series of continual indentations are formed in each side. A connecting device is slidably mounted in the barrel. A thrust de...
09/18/2001
6254295Dual-purpose pen
A dual-purpose pen has a barrel, a cap engaged with the barrel, and a ball point that is extendable from the end of the barrel, and a key-pressing point that is extendable from the end of the cap. The pen can be used for writing when the ball point is ext...
07/03/2001
6106179Dual color lipstick in a single case
A dual color lipstick in a single case including an outer tube, wherein the inside of the outer tube has a relatively oblique guide surface and an inner tube seat, wherein both sides of the inner tube seat have moving elements. When the inner tube seat is...
08/22/2000
5909975Multiplex writing implement
The multiplex writing implement includes: a cylindrical portion formed in the rear of the elliptical cylinder portion of the middle barrel; a rotary shaft which is disposed in the bore of the cylindrical portion so as to rotate in a range of about 180° r...
06/08/1999
5713680Combined writing tool
A combined writing tool comprises a cylindrical casing; a push button extended from the top end of said cylindrical casing by force of a spring; a plurality of writing cartridges arranged in the casing and adapted to be alternatively extended from the bot...
02/03/1998
5642953Multiplex writing implement
A multiplex writing implement includes a mechanical pencil refill and ball-point pen refill which can be selectively used as desired, and is equipped with a delivering mechanism for delivering a stick-shaped article such as an eraser etc. The multiplex wr...
07/01/1997
5564849Curved writing instrument
A curved ergonomic pen which facilitates writing on vertical surfaces comprises a housing having a barrel portion and a web portion. The barrel has curved inner and outer edges and substantially flat sides. The web is substantially flat and extends along ...
10/15/1996
5026190Dual writing element retractable pen
A dual writing element retractable pen includes coaxial upper and lower barrel members, an upper cylindrical cam part being integrally formed with the upper barrel member and having a bottom cam surface. A matching lower cylindrical cam part telescopes th...
06/25/1991
4948285Ball point pen with two cartridges
A writing instrument in the form of a ball pen has two cartridges capable of being alternately moved into the writing position by rotating the barrel. A provision is made for a space in the top part of the barrel for accommodating or receiving various acc...
08/14/1990
4738557Writing device with multiple writing elements
A multi-purpose writing device comprising plural writing elements, at least one of which is an automatic pencil that can be extended, can be extended to and retracted from and between the writing position and the housed position alternately by rotating a ...
04/19/1988
4717275Writing instrument with a retractable clip
A writing instrument having a casing with an axially-extending bore seating a cantilevered arm of a pocket clip which protrudes through the casing bore when the instrument is in an "off" position. The pocket clip has guide tabs which fit into guide channe...
01/05/1988
4533271Writing instrument with plural implements cam actuated
A writing instrument having two writing elements is described. A tubular cam is utilized together with cam followers and element holders for each writing element and associated supporting structure to provide an instrument which will position one element ...
08/06/1985
4270869Composite writing instrument
A composite writing instrument having a lower tubular casing accommodating therewithin two retractable mechanical pencil units spaced by about 180°. An upper tubular casing encloses a cam mechanism for effecting a reciprocal rotational motion through abo...
06/02/1981
4268183Composite writing instrument
A composite writing instrument composed of two writing units such as two ball point and pen units which has a lower tubular casing accommodating therewithin two writing units and an upper tubular casing accommodating a cam mechanism therewithin which is r...
05/19/1981
4080077Multicolor writing instrument
A dual refill containing variable refill positioning writing instruments utilizing cam followers attached to two refill members and oppositely threaded spiral cam grooves within which said cam followers ride. The writing instrument includes an inner tubul...
03/21/1978
3989389Multi-color mechanical writing instrument
A multi-color mechanical writing instrument which contains ink tubes or reservoirs, a rotary cam having a blocking section, an inner flange or a stopper which enables a writing tip to be pushed out which is positioned underneath a cam body with a push-bar...
11/02/1976
3985455Convertible writing instrument
A writing instrument having a plurality of writing medium assemblies which can be separated into a plurality of writing instruments each having at least one writing medium assembly. The writing instrument may include writing medium assemblies which are al...
10/12/1976
 
Sign InRegister
Username  
Password   
forgot password?