Cutlery – Blades – Razor blade
Reexamination Certificate
2004-09-02
2011-10-18
Payer, Hwei C (Department: 3724)
Cutlery
Blades
Razor blade
C030S043600
Reexamination Certificate
active
08037613
ABSTRACT:
A rotary shaving head having a one-piece cup-shaped metal body including a comb portion. A plurality of openings in the comb portion are defined by opposed sidewalls, the intersection of at least one sidewall of at least one of the openings with an inner surface of the comb portion defining a cutting edge having a positive rake angle. A rotary shaving head manufacturing method includes the steps of etching a set of openings corresponding to a shaving head blank into an elongate flat metal strip, forming the blank into a cup-shaped unfinished shaving head, and removing material from the inner surface of the comb portion of the unfinished shaving head.
REFERENCES:
patent: 2223768 (1940-12-01), Martin
patent: 2824367 (1958-02-01), Mcwilliams
patent: 2877548 (1959-03-01), Gerrit Starre
patent: 3064348 (1962-11-01), Wahl
patent: 3226527 (1965-12-01), Harding
patent: 3279057 (1966-10-01), Sanders
patent: 3281937 (1966-11-01), Driessen et. al.
patent: 3453909 (1969-07-01), Yager
patent: 4011123 (1977-03-01), Buysman
patent: 4105493 (1978-08-01), Chauvy
patent: 4124437 (1978-11-01), Bond et al.
patent: 4126510 (1978-11-01), Moscony et al.
patent: 4133103 (1979-01-01), Beck
patent: 4339296 (1982-07-01), Gursky et al.
patent: 4389279 (1983-06-01), Weber et al.
patent: 4393586 (1983-07-01), Hamashima et al.
patent: 4512843 (1985-04-01), Miyazaki
patent: 4635360 (1987-01-01), Tanahashi et al.
patent: 4707923 (1987-11-01), Tietjens
patent: 5023986 (1991-06-01), Gero et al.
patent: 5387313 (1995-02-01), Thoms
patent: 5628921 (1997-05-01), Beckett
patent: 5750956 (1998-05-01), Barnes et al.
patent: 5802932 (1998-09-01), Vankov et al.
patent: 6032365 (2000-03-01), Hodges
patent: 6053332 (2000-04-01), Bakula
patent: 6340089 (2002-01-01), Bakula
patent: 6515253 (2003-02-01), Battaglia
patent: 6515256 (2003-02-01), Battaglia
patent: 2003/0070304 (2003-04-01), Curello
patent: 2003/0116543 (2003-06-01), Battaglia
patent: 0 124 171 (1984-11-01), None
patent: 53-146855 (1978-12-01), None
patent: 64 68563 (1989-03-01), None
Everett, Jr. David W.
Murzynski Maciei
Armstrong Teasdale LLP
Payer Hwei C
Rovcal Inc.
LandOfFree
Shaving head for rotary shaver and method of manufacturing... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Shaving head for rotary shaver and method of manufacturing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shaving head for rotary shaver and method of manufacturing... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4266333