Patent US5278779A successfully refreshed from Google Patents.
US5278779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laptop computer with hinged keyboard
Assignee: Individual
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Filing: 1992-06-26
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Granted: 1994-01-11
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Expires: 2012-06-26
Abstract
Abstract A laptop computer and keyboard provides an improved assembly of a central processing unit (CPU) housing, keyboard and screen, utilizing a keyboard having a right and left hand pair of keyboard portions or halves joined together in a non-planar (V-shaped or open-book shaped) arrangement along a common edge or by a connecting member. Both sides of each keyboard half preferably contain at least one key or input control, such that the entire desired array of keys is disposed about the four surfaces (i.e., two front sides and two back sides) and/or edges.
Inventors
- 👤 Kevin M. Conway
- 👤 Daniel C. Swann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:43
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1615; G06F1/1616; G06F1/1622; G06F1/1624; G06F1/1633; G06F1/1662; G06F1/1664; G06F1/1671
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
133 words
A laptop computer comprising: a first keyboard half portion having a front side, back side, top, bottom and perimeter edge, side front side bearing at least one keyboard key; a second keyboard half portion having a front side, back side, top, bottom and perimeter edge, said front side bearing at least one keyboard key; keyboard hinge means for connecting said first keyboard half portion and said second keyboard half portion in non-planar relationship, wherein when said keyboard halves are grasped by a user's hands, said keyboard keys on said keyboard half portions front sides are accessible to the user's fingers, and said keyboard half portions back sides are accessible to the user's thumbs; a computer screen; and screen hinge means for connecting said computer screen to said keyboard half portions proximate said top.
Claim 2
Dependent Claim
133 words
A laptop computer comprising: a first keyboard half portion having a front side, back side, top, bottom and perimeter edge, side front side bearing at least one keyboard key; a second keyboard half portion having a front side, back side, top, bottom and perimeter edge, said front side bearing at least one keyboard key; keyboard hinge means for connecting said first keyboard half portion and said second keyboard half portion in non-planar relationship, wherein when said keyboard halves are grasped by a user's hands, said keyboard keys on said keyboard half portions front sides are accessible to the user's fingers, and said keyboard half portions back sides are accessible to the user's thumbs; a computer screen; and screen hinge means for connecting said computer screen to said keyboard half portions proximate said top.
Claim 3
Dependent Claim
27 words
The laptop computer of claim 1 wherein said first and second keyboard half portion perimeter edges bear at least one keyboard key accessible to the user's thumbs.
Claim 4
Dependent Claim
27 words
The laptop computer of claim 1 wherein said first and second keyboard half portions back sides bear at least one keyboard key accessible to the user's thumbs.
Claim 5
Dependent Claim
19 words
The laptop computer of claim 1 wherein at least one of said keyboard half portions bears a trackball/mouse control.
Claim 6
Dependent Claim
152 words
A laptop computer comprising: a first keyboard half portion having a front side, back side, top, bottom and perimeter edge, said front side bearing at least one keyboard key; a second keyboard half portion having a front side, back side, top, bottom and perimeter edge, said front side bearing at least one keyboard key; keyboard hinge means for connecting said first keyboard half portion and said second keyboard half portion in non-planar relationship, wherein when said keyboard halves are grasped by a user's hands, said keyboard keys on said keyboard half portions front sides are accessible to the user's fingers, and said keyboard half portions back sides are accessible to the user's thumbs; a computer screen; screen hinge means for connecting said computer screen to said keyboard half portions proximate said top; a CPU housing: CPU housing hinge means for connecting said CPU housing to said keyboard half portions proximate said bottom.
Claim 7
Dependent Claim
152 words
A laptop computer comprising: a first keyboard half portion having a front side, back side, top, bottom and perimeter edge, said front side bearing at least one keyboard key; a second keyboard half portion having a front side, back side, top, bottom and perimeter edge, said front side bearing at least one keyboard key; keyboard hinge means for connecting said first keyboard half portion and said second keyboard half portion in non-planar relationship, wherein when said keyboard halves are grasped by a user's hands, said keyboard keys on said keyboard half portions front sides are accessible to the user's fingers, and said keyboard half portions back sides are accessible to the user's thumbs; a computer screen; screen hinge means for connecting said computer screen to said keyboard half portions proximate said top; a CPU housing: CPU housing hinge means for connecting said CPU housing to said keyboard half portions proximate said bottom.
Claim 8
Dependent Claim
27 words
The laptop computer of claim 5 wherein said first and second keyboard half portion perimeter edges bear at least one keyboard key accessible to the user's thumbs.
Claim 9
Dependent Claim
27 words
The laptop computer of claim 5 wherein said first and second keyboard half portions back sides bear at least one keyboard key accessible to the user's thumbs.
Claim 10
Dependent Claim
19 words
The laptop computer of claim 5 wherein at least one of said keyboard half portions bears a trackball/mouse control.
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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) | 1997-01-10 | 1997-07-12 | 1998-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-10 | 2001-07-12 | 2002-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-10 | 2005-07-12 | 2006-01-11 | $7700.00 | Window Closed / Lapsed |