
US Patent No: 6,297,752
Number of patents in Portfolio can not be more than 2000
Backside keyboard for a notebook or gamebox
Stats
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Oct 2, 2001
Issued date -
Dec 22, 1997
filing date -
08/995,321
serial no -
In Force
status
Importance
Abstract
A keyboard for a notebook computer, personal computer, Personal Data Assistance computer or a game having two keyboard sections. In one embodiment the sections are fixedly mounted on the underside of the chassis of the device and the keys are arranged with half the keys on one section and half the keys are on the other section and positioned such that each key is in a natural position corresponding to the position of the keys when one is typing on a conventional keyboard. In another embodiment, each section is hingeably attached to an edge of the keyboard and the keyboard may be used in one position where the sections extend from the keyboard and face the user an another position where the sections are folded against the backside of the chassis of the device.
First Claim
Related Publications
International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,515,305 PDA having chord keyboard input device and method of providing data thereto | 40 | 1993 | |
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| 5,645,277 Controller for a video game console | 69 | 1995 | |
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| 5,278,779 Laptop computer with hinged keyboard | 116 | 1992 | |
| 5,410,333 Computer keyboard | 119 | 1993 | |
| 5,736,976 Computer data entry apparatus with hand motion sensing and monitoring | 61 | 1995 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 2, 2013 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |