US20040079571A1 - Motorized scooter - Google Patents
Motorized scooter Download PDFInfo
- Publication number
- US20040079571A1 US20040079571A1 US10/279,667 US27966702A US2004079571A1 US 20040079571 A1 US20040079571 A1 US 20040079571A1 US 27966702 A US27966702 A US 27966702A US 2004079571 A1 US2004079571 A1 US 2004079571A1
- Authority
- US
- United States
- Prior art keywords
- motor
- scooter
- wheel
- chassis
- driven wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K3/00—Bicycles
- B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
Definitions
- FIG. 5 is an exploded side view of the rear tire showing the disc brake system
- the chassis 2 comprises the main structural element of the scooter.
- the chassis 2 may be made of any material which lends structure to the scooter and is capable of withstanding the weight of an average person.
- the chassis 2 extends along a substantially horizontal plane, wherein the top surface of the chassis 2 provides a platform 42 for the feet of the rider.
- the platform 42 may be textured so as to create a non-skid surface for the feet of the rider.
- the chassis also functions to house a power source for the scooter—specifically, a motor 20 and its associated batteries 22 . This chassis function will be discussed in more detail below with reference to FIG. 7.
- a fender 8 is coupled to the rear end of the chassis and resides directly over the rear wheel 6 .
- the rear wheel 6 is preferably equipped with a large cross-sectional, small diameter, low pressure pneumatic tire.
- the rear wheel 6 has a slightly greater width than the front wheel 4 to accommodate the fact that more of the rider's weight may be concentrated primarily over the rear wheel 6 , and power is directed to the rear drive wheel.
- the fender 8 mirrors the dimensions of the rear wheel 6 so as to protect the body of the scooter and the rider from mud and other debris that may be dislodged and upstrewn by the rotational movement of such wheel. Additionally, the fender 8 functions to provide a surface on which to mount shock absorbing means 24 for the suspension system herein disclosed. Fender 8 also prevents the rider from inadvertently contacting rear wheel 6 while moving
Abstract
Description
- 1. Field of the Invention
- The present invention relates to the field of electric powered scooters and, more particularly, to construction of a suspensioned motor powered scooter in which the rear wheel is operationally connected to the motor at a fixed distance to maintain adequate tension in the chain during operation over rough terrain.
- 2. Background and Related Art
- Motor powered scooters are well known in the art and have long been used as an inexpensive means of transportation. Typical motor powered scooters are built with a steerable front wheel, an electric motor supplying power to a rear wheel, and a platform mounted to a central chassis for accommodating a rider.
- Examples of motor powered scooters are found in U.S. Pat. Nos. 4,821,832, and 6,012,539 to Patmont. Such scooters are exceedingly useful and popular, although certain limitations inherent in their construction impede their broader use and greater success.
- One problem with presently known motor powered scooters is that current methods of scooter construction and manufacture fail to facilitate smooth operation over uneven surfaces and rugged terrain. Indeed, most presently known scooters fail to implement any type of suspension system whatsoever. Moreover, the few presently known scooter suspension systems are inadequate for operation over rough terrain as they fail to prevent disengagement of the chain from its associated gear. For example, U.S. Pat. No. 6,012,539 teaches an all terrain scooter with pneumatic tires to absorb shock created by surface irregularities. The shock absorbing capacity of such tires, however, is insufficient to adequately absorb shock resulting from operation over uneven, rugged terrain.
- Another problem with prior art motor powered scooters is their inherent instability. Traditional scooters require a kickstand or similar mechanism to retain the scooter in an upright position when not in use. Such kickstands are inherently unreliable as they depend on principles of counterbalance taken to an extreme. Indeed, a kickstand applied to the wheel base of a scooter must be fairly short, while the scooter itself is relatively tall. The great disparity in dimension between the kickstand and the scooter makes it difficult for the scooter to obtain a proper independent balance. In addition, the dimensional disparity between kickstand and scooter reduces the scooter's ability to maintain a proper independent balance for extended periods of time. Indeed, even a small breeze or slight brush against the scooter may cause the scooter to topple, potentially resulting in both external and internal damage to the scooter.
- Further, some presently known scooters employ a side-mounted motor, which also contributes to scooter instability. For example, U.S. Pat. No. 6,431,302 to Patmont discloses a motor mounted to a rear wheel mount located on one side of a rear wheel. The added weight and bulk of a motor so mounted necessarily increases the scooter's stationary instability.
- Tires on most scooters are narrow to reduce the rolling resistance. While this increases the speed and distance a scooter can travel, narrow tires cause ruts to be formed in the turf surfaces and sink into sand and soft soil.
- What is needed is a scooter that is reliable, simple in construction, and having a chain which is capable of maintaining adequate tension over terrain, and which is capable of traveling on softer surfaces.
- The present invention is a suspensioned motor powered scooter with a front steered wheel, a rear driven wheel, a chassis, a motor, and a shock absorber. The front and rear wheels are wide and the weight of the motor is positioned low in the chassis to allow the scooter to remain independently upright upon a rider's dismount. A swing arm assembly maintains a fixed relationship between the motor and the rear wheel. In addition, the swing arm is isolated from chassis movement by an adjustable air bag suspension.
- An object of the present invention is to provide a suspensioned scooter capable of smooth operation over rugged terrain.
- Another object of the present invention to provide a scooter wherein the chain maintains adequate tension and engagement with its associated spindle and gear over any surface.
- It is a further object of the present invention to provide a scooter that is capable of traveling on turf and soft soil.
- It is a further object of the present invention to provide a scooter that is independently stable, properly balanced, and capable of remaining independently erect upon the dismount of a rider, when the scooter is on level ground.
- These and other features and advantages of the present invention will be set forth or will become more fully apparent in the description that follows and in the appended claims. The features and advantages may be realized and obtained by means of the instruments and combinations particularly pointed out in the appended claims. Furthermore, the features and advantages of the invention may be learned by the practice of the invention or will be obvious from the description, as set forth hereinafter.
- In order that the manner in which the above recited and other features and advantages of the present invention are obtained, a more particular description of the invention will be rendered by reference to specific embodiments thereof, which are illustrated in the appended drawings. Understanding that the drawings depict only typical embodiments of the present invention and are not, therefore, to be considered as limiting the scope of the invention, the present invention will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:
- FIG. 1 is a perspective view of the motor powered scooter;
- FIG. 2 is an exploded side view of the present invention;
- FIG. 3 is a front perspective view thereof;
- FIG. 4 is an exploded view of the handlebars of the present invention;
- FIG. 5 is an exploded side view of the rear tire showing the disc brake system;
- FIG. 6 is an opposite side view of the rear tire depicting the suspension system of the present invention;
- FIG. 7 is a top plan view of the chassis and its internal components including the motor; and
- FIG. 8 is a rear perspective view of the present invention.
- The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrative and not restrictive. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
- As used in this specification and claims, the term scooter refers to an electric powered scooter wherein the motor receives DC power from its associated batteries.
- As seen in FIGS. 1 and 2, the motor powered scooter of the present invention includes
handlebars 28, asteering column 26, a front wheel 4, arear wheel 6, achassis 2, a rider'splatform 42, and afender 8. - The
chassis 2 comprises the main structural element of the scooter. As such, thechassis 2 may be made of any material which lends structure to the scooter and is capable of withstanding the weight of an average person. Thechassis 2 extends along a substantially horizontal plane, wherein the top surface of thechassis 2 provides aplatform 42 for the feet of the rider. Theplatform 42 may be textured so as to create a non-skid surface for the feet of the rider. The chassis also functions to house a power source for the scooter—specifically, amotor 20 and its associatedbatteries 22. This chassis function will be discussed in more detail below with reference to FIG. 7. - A
steering column 26 is mounted to the front end of thechassis 2. The lower portion of thesteering column 26 houses a fork coupled to the front wheel 4, such that rotation of thesteering column 26 causes a corresponding rotation of the front wheel 4. Such rotational movement is facilitated byhandlebars 28 attached to the uppermost portion of thesteering column 26. Thesteering column 26 may optionally include a telescopic joint so as to enable a rider to adjust the height of thesteering column 26 as desired.Steering column 26 may also be collapsible. In one embodiment, the column is hinged and a sleeve may be slid over the hinge to prevent movement of the column or lifted to allow the column to be inclined parallel to and contiguous with the chassis. The front wheel 4 is preferably equipped with a large cross-sectional, small diameter, low pressure pneumatic tire. - A
fender 8 is coupled to the rear end of the chassis and resides directly over therear wheel 6. Like the front wheel 4, therear wheel 6 is preferably equipped with a large cross-sectional, small diameter, low pressure pneumatic tire. According to one aspect of the presently preferred embodiment of the present invention, therear wheel 6 has a slightly greater width than the front wheel 4 to accommodate the fact that more of the rider's weight may be concentrated primarily over therear wheel 6, and power is directed to the rear drive wheel. Thefender 8 mirrors the dimensions of therear wheel 6 so as to protect the body of the scooter and the rider from mud and other debris that may be dislodged and upstrewn by the rotational movement of such wheel. Additionally, thefender 8 functions to provide a surface on which to mountshock absorbing means 24 for the suspension system herein disclosed.Fender 8 also prevents the rider from inadvertently contactingrear wheel 6 while moving - According to one aspect of the present invention, the scooter is equipped with front and rear wheels wide enough to allow the scooter to remain independently erect upon dismount of a rider. This improvement allows for quick and easy dismounts. Indeed, self-supporting wheels and a low center of gravity obviate the need for additional means of support, such as a kickstand when the scooter is parked on a level surface. Scooter stationary instability is a primary cause of scooter damage. When a scooter inadvertently falls over, the fall is likely to cause injury both externally to the scooter body, and internally to the structure and function of the scooter. By having a very low center of gravity and wide tires, the inventive scooter is very stable and less likely to fall over.
- FIGS. 4 and 5 depict the disc brake system on the rear wheel preferred for use in conjunction with the present invention. Specifically, FIG. 4 illustrates an
actuator 30 attached to thehandlebar 28 of the present invention. Abrake cable 36 extends from theactuator 30 down thesteering column 26 to communicate with thecaliper 34 of FIG. 5. Upon activation of theactuator 30, thecaliper 34 squeezes brake pads against therotor 32, which is attached to therear wheel 6. Friction between the pads and therotor 32 slowswheel 6. - As seen in FIG. 6, the present invention further espouses a drive train wherein the
rear wheel 6 and themotor 20 are retained at a fixed distance on the sameswing arm assembly 16. Preferably, adrive gear 18 attached to themotor 20 is operationally connected to therear wheel 6 and associated gear by way of achain 14. Thechain 14 engages both thedrive spindle 18 and agear 12 attached to therear wheel hub 10 such that rotation of thedrive spindle 18 causes rotation of thechain 14, and hence movement of therear wheel 6. - Traditional chain assemblies, such as that described above, tend to malfunction upon operation over rough terrain due to intermittent slack resulting in the
chain 14. Prolonged periods of slack in thechain 14 or an extreme case of slack in thechain 14 may cause thechain 14 to become disengaged altogether. As the slack in the chain increases upon the encountering of an obstacle, the driven wheel momentarily slows. As the slack is taken up, the driven wheel then jerks when the slack is gone. This jerking is dangerous on a vehicle such as a scooter since the rider is merely standing on the platform. The suspension system of the present invention overcomes the problem of the prior art by virtue of theswing arm assembly 16 herein disclosed. Theswing arm assembly 16 secures themotor 20 and therear wheel 6 against a solid plate at a constant distance from each other. Thus, theswing arm assembly 16 inherently maintains a constant distance between thedrive spindle 18 and thegear assembly 12 attached to therear wheel 6. Thechain 14 is thus able to maintain adequate tension with respect to thespindle 18 andgear assembly 12 even over uneven surfaces or rugged terrain. - Another component of the suspension system herein disclosed are
shock absorbing means 24 placed between thefender 8 and thechassis 2 to cushion any interference between the two. By way of example and not limitation, theshock absorbing means 24 may comprise an inflatable rubber bladder mounted to thefender 8, a spring or rubber grommet. - FIG. 7 offers an internal view of
chassis 2 and its components. Themotor 20 is coupled tochassis 2 by virtue of aflexible surround 40.Chassis 2 also houses, by way of example and not limitation, threebatteries 22 that provide themotor 20 with the DC power necessary for scooter operation. As seen in FIG. 8, themotor 20 and its associatedbatteries 22 are evenly distributed within thechassis 2 and are placed low therein, on a plane parallel to and substantially adjacent the top surface of therear wheel 6, to ensure an evenly distributed low center of gravity. A low center of gravity relative the wheel base is necessary to facilitate the independent stability of the scooter as well as proper operational balance, as discussed above with reference to FIG. 1.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/279,667 US20040079571A1 (en) | 2002-10-24 | 2002-10-24 | Motorized scooter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/279,667 US20040079571A1 (en) | 2002-10-24 | 2002-10-24 | Motorized scooter |
Publications (1)
Publication Number | Publication Date |
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US20040079571A1 true US20040079571A1 (en) | 2004-04-29 |
Family
ID=32106777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/279,667 Abandoned US20040079571A1 (en) | 2002-10-24 | 2002-10-24 | Motorized scooter |
Country Status (1)
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US (1) | US20040079571A1 (en) |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040163867A1 (en) * | 2003-02-21 | 2004-08-26 | Roger Hillman | Skateboard with remote controlled motive power |
US20060032682A1 (en) * | 2004-07-09 | 2006-02-16 | Roger Hillman | Skateboard with motorized drive and brake systems |
US20080017431A1 (en) * | 2006-06-26 | 2008-01-24 | Yamaha Motor Corp., U.S.A. | Personal snow vehicle |
US20130081891A1 (en) * | 2011-10-04 | 2013-04-04 | Boosted Boards | Personal transport vehicle |
DE102012204913A1 (en) * | 2012-03-27 | 2013-10-02 | Bayerische Motoren Werke Aktiengesellschaft | Electric-kick scooter has steering rod, front wheel, rear wheel, stand board and drive unit, where stand board and drive unit are decoupled from each other as separate entities, and drive unit is arranged below stand board |
US20140090916A1 (en) * | 2012-10-02 | 2014-04-03 | Bravo Sports | Electric scooter assemblies |
US8985609B2 (en) * | 2013-01-18 | 2015-03-24 | Laing Ban International Inc. | Scooter rear shock damping structure |
USD750180S1 (en) * | 2013-12-18 | 2016-02-23 | Bravo Sports | Scooter |
USD756464S1 (en) | 2014-12-29 | 2016-05-17 | Bravo Sports | Scooter |
USD778806S1 (en) * | 2015-09-20 | 2017-02-14 | Virginia Jeanette Welford | Electric powered scooter |
USD779594S1 (en) | 2013-05-17 | 2017-02-21 | Bravo Sports | Scooter connector tubing |
US9592876B2 (en) | 2013-12-18 | 2017-03-14 | Bravo Sports | Three-wheeled electric scooter |
CN106741406A (en) * | 2016-12-29 | 2017-05-31 | 杭州畅动智能科技有限公司 | A kind of body-sensing longitudinal direction cart |
US10189533B2 (en) | 2013-12-18 | 2019-01-29 | Bravo Sports | Electric scooter |
US10419904B2 (en) * | 2018-10-24 | 2019-09-17 | Neuron Corporation | Mobile connectivity and self-generating illumination electric scooter |
USD903002S1 (en) * | 2018-11-19 | 2020-11-24 | Chengjia WANG | Scooter |
US11148038B2 (en) | 2011-10-04 | 2021-10-19 | Neutron Holdings, Inc. | Lightweight transport system |
USD940051S1 (en) * | 2019-01-10 | 2022-01-04 | Globe 3 T | Scooter |
CN114364601A (en) * | 2019-09-06 | 2022-04-15 | 伦普希个人出行有限公司 | Vehicle equipped with a bowden cable-based steering transmission, shock absorber for a scooter and scooter so configured |
US11305830B2 (en) | 2018-04-12 | 2022-04-19 | Nicolas | Motor driven vehicle |
US20220204113A1 (en) * | 2020-12-31 | 2022-06-30 | Ninebot (Beijing) Tech Co., Ltd. | Electric scooter |
USD977018S1 (en) * | 2019-12-04 | 2023-01-31 | Zhejiang Okai Vehicle Co., Ltd. | Electric scooter |
USD982090S1 (en) * | 2022-06-10 | 2023-03-28 | Dongguan Lvkang Energy-Saving Technology Co., Ltd. | Electric scooter |
USD1000528S1 (en) * | 2022-03-24 | 2023-10-03 | Freeman It Limited | Multifunctional off-road scooter |
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Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040163867A1 (en) * | 2003-02-21 | 2004-08-26 | Roger Hillman | Skateboard with remote controlled motive power |
US20060032682A1 (en) * | 2004-07-09 | 2006-02-16 | Roger Hillman | Skateboard with motorized drive and brake systems |
US20080017431A1 (en) * | 2006-06-26 | 2008-01-24 | Yamaha Motor Corp., U.S.A. | Personal snow vehicle |
US7789183B2 (en) | 2006-06-26 | 2010-09-07 | Yamaha Motor Corp., U.S.A. | Personal snow vehicle |
US20130081891A1 (en) * | 2011-10-04 | 2013-04-04 | Boosted Boards | Personal transport vehicle |
US11148038B2 (en) | 2011-10-04 | 2021-10-19 | Neutron Holdings, Inc. | Lightweight transport system |
DE102012204913A1 (en) * | 2012-03-27 | 2013-10-02 | Bayerische Motoren Werke Aktiengesellschaft | Electric-kick scooter has steering rod, front wheel, rear wheel, stand board and drive unit, where stand board and drive unit are decoupled from each other as separate entities, and drive unit is arranged below stand board |
US9168965B2 (en) * | 2012-10-02 | 2015-10-27 | Bravo Sports | Electric scooter assemblies |
US11001329B2 (en) | 2012-10-02 | 2021-05-11 | Bravo Sports | Electric scooter assemblies |
US20140090916A1 (en) * | 2012-10-02 | 2014-04-03 | Bravo Sports | Electric scooter assemblies |
US10124851B2 (en) | 2012-10-02 | 2018-11-13 | Bravo Sports | Electric scooter assemblies |
US9994278B2 (en) | 2012-10-02 | 2018-06-12 | Bravo Sports | Scooter assemblies |
US8985609B2 (en) * | 2013-01-18 | 2015-03-24 | Laing Ban International Inc. | Scooter rear shock damping structure |
USD779594S1 (en) | 2013-05-17 | 2017-02-21 | Bravo Sports | Scooter connector tubing |
US10189533B2 (en) | 2013-12-18 | 2019-01-29 | Bravo Sports | Electric scooter |
US9592876B2 (en) | 2013-12-18 | 2017-03-14 | Bravo Sports | Three-wheeled electric scooter |
US10875596B2 (en) | 2013-12-18 | 2020-12-29 | Bravo Sports | Three-wheeled electric scooter |
USD750180S1 (en) * | 2013-12-18 | 2016-02-23 | Bravo Sports | Scooter |
US10787221B2 (en) | 2013-12-18 | 2020-09-29 | Bravo Sports | Electric scooter |
USD756464S1 (en) | 2014-12-29 | 2016-05-17 | Bravo Sports | Scooter |
USD778806S1 (en) * | 2015-09-20 | 2017-02-14 | Virginia Jeanette Welford | Electric powered scooter |
CN106741406A (en) * | 2016-12-29 | 2017-05-31 | 杭州畅动智能科技有限公司 | A kind of body-sensing longitudinal direction cart |
EP3564105A4 (en) * | 2016-12-29 | 2020-09-02 | Hangzhou Chic Intelligent Technology Co., Ltd | Longitudinal two-wheel somatosensory car |
US11305830B2 (en) | 2018-04-12 | 2022-04-19 | Nicolas | Motor driven vehicle |
US10419904B2 (en) * | 2018-10-24 | 2019-09-17 | Neuron Corporation | Mobile connectivity and self-generating illumination electric scooter |
USD903002S1 (en) * | 2018-11-19 | 2020-11-24 | Chengjia WANG | Scooter |
USD940051S1 (en) * | 2019-01-10 | 2022-01-04 | Globe 3 T | Scooter |
USD940052S1 (en) * | 2019-01-10 | 2022-01-04 | Globe 3 T | Scooter |
USD940053S1 (en) * | 2019-01-10 | 2022-01-04 | Globe 3 T | Scooter |
CN114364601A (en) * | 2019-09-06 | 2022-04-15 | 伦普希个人出行有限公司 | Vehicle equipped with a bowden cable-based steering transmission, shock absorber for a scooter and scooter so configured |
USD977018S1 (en) * | 2019-12-04 | 2023-01-31 | Zhejiang Okai Vehicle Co., Ltd. | Electric scooter |
US20220204113A1 (en) * | 2020-12-31 | 2022-06-30 | Ninebot (Beijing) Tech Co., Ltd. | Electric scooter |
USD1000528S1 (en) * | 2022-03-24 | 2023-10-03 | Freeman It Limited | Multifunctional off-road scooter |
USD982090S1 (en) * | 2022-06-10 | 2023-03-28 | Dongguan Lvkang Energy-Saving Technology Co., Ltd. | Electric scooter |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: ERIK LAVER SUCCESS SYSTEMS, UTAH Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LAVER, ERIK;LAVER, PENNY;REEL/FRAME:013435/0596 Effective date: 20021024 |
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AS | Assignment |
Owner name: GO BIG, INC., UTAH Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S NAME PREVIOUSLY RECORDED ON REEL 013435, FRAME 0596;ASSIGNORS:LAVER, ERIK;LAVER, PENNY;REEL/FRAME:014243/0938 Effective date: 20021024 |
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AS | Assignment |
Owner name: GO BIG, INC., UTAH Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LAVER, ERIK;LAVER, PENNY;REEL/FRAME:014322/0953 Effective date: 20021024 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |