Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure
Reexamination Certificate
2006-01-31
2006-01-31
Nguyen, Anthony (Department: 2854)
Typewriting machines
Key-board or key lever-actuating mechanism
Key-cap or key-stem structure
C400S472000
Reexamination Certificate
active
06991390
ABSTRACT:
A key (21) for a keyboard or keypad, the key (21) having an upper finger engaged surface (2) defining a generally top edge portion (3) remote from the user, a generally bottom edge portion (4) adjacent to the user, a generally left edge portion (5) and a generally right edge portion (6), the key (21) further having a ridge (22) adjacent to the top edge portion (3), the bottom edge portion (4), the left edge portion (5) and/or the right edge portion (6).
REFERENCES:
patent: 1041696 (1912-10-01), Summerville
patent: 1718694 (1929-06-01), Kurowski
patent: 1823130 (1931-09-01), Smith
patent: 2350059 (1944-05-01), Messchaert
patent: 3396827 (1968-08-01), Harwell
patent: 3848723 (1974-11-01), Hogue
patent: 4180336 (1979-12-01), Lonsdale
patent: 4762436 (1988-08-01), Herzog et al.
patent: 4778295 (1988-10-01), Bleuer
patent: 4994992 (1991-02-01), Lapeyre
patent: 5515763 (1996-05-01), Vandervoort
patent: 5583497 (1996-12-01), Hankes
patent: 5610602 (1997-03-01), Hargreaves
patent: 5689253 (1997-11-01), Hargreaves et al.
patent: 6005496 (1999-12-01), Hargreaves et al.
patent: 6667697 (2003-12-01), Botich
patent: 2087313 (1982-05-01), None
patent: 2134042 (1984-08-01), None
patent: 8102272 (1981-08-01), None
Ladas & Parry LLP
Nguyen Anthony
LandOfFree
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