US5528523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track ball mechanism
Assignee: Canon Inc
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Filing: 1995-10-23
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Granted: 1996-06-18
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Expires: 2015-10-23
Abstract
Abstract A track ball mechanism for an information processing apparatus is assembled integrally with a palm rest member and is attached to an input device of the information processing apparatus.
Inventors
- 👤 Keita Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:24
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1615; G06F1/1616; G06F1/1632; G06F1/1633; G06F1/1684; G06F1/169; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; G06F3/021; G06F3/0213
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
97 words
A track ball mechanism for an information processing apparatus, comprising: a palm rest member detachably attached directly to an input device of the information processing apparatus in front of the input device, said palm rest member having a groove portion and having a width matching the width of the information processing apparatus; and a track ball fitted into said groove portion of said palm rest member and integrally fixed to said palm rest member, said track ball being positioned in front of the input device when said palm rest member is attached to the information processing apparatus.
Claim 2
Dependent Claim
97 words
A track ball mechanism for an information processing apparatus, comprising: a palm rest member detachably attached directly to an input device of the information processing apparatus in front of the input device, said palm rest member having a groove portion and having a width matching the width of the information processing apparatus; and a track ball fitted into said groove portion of said palm rest member and integrally fixed to said palm rest member, said track ball being positioned in front of the input device when said palm rest member is attached to the information processing apparatus.
Claim 3
Dependent Claim
22 words
A mechanism according to claim 1, wherein said information processing apparatus is a word processor and the input device is a keyboard.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-06-18 | 1999-12-18 | 2000-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-06-18 | 2003-12-18 | 2004-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-06-18 | 2007-12-18 | 2008-06-18 | $7700.00 | Window Closed / Lapsed |