Ergonomic keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including row of keys having different heights

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C400S489000

Reexamination Certificate

active

06860661

ABSTRACT:
An ergonomic keyboard providing support for the palms and fingers of a user. The ergonomic keyboard comprises a plurality of surfaces of different elevations, the surface of highest elevation adapted to support the palms so that the thumbs are separated from the rest of the fingers that are positioned on a distal side of the ergonomic keyboard. At least one surface of the plurality of surfaces is located on the distal side and at least one surface of the plurality of surfaces is located on the side where the thumbs are positioned, at least one of the plurality of surfaces is provided with at least one key.

REFERENCES:
patent: 3428747 (1969-02-01), Alferieff
patent: 5178477 (1993-01-01), Gambaro
patent: 5270709 (1993-12-01), Niklsbacher
patent: 5788386 (1998-08-01), Hayashi et al.
patent: 5892499 (1999-04-01), Vulk, Jr.
patent: 2777222 (1999-10-01), None
patent: 2131746 (1984-06-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Ergonomic keyboard does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ergonomic keyboard, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ergonomic keyboard will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3401824

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.