US 10,334,940 C1 (13,401st)
Composite head toothbrush having safety features
Steven L. Kayser, San Diego, CA (US)
Filed by Steven L. Kayser, San Diego, CA (US)
Assigned to LOOPS, LLC, Ferndale, WA (US)
Reexamination Request No. 90/015,210, Mar. 10, 2023.
Reexamination Certificate for Patent 10,334,940, issued Jul. 2, 2019, Appl. No. 15/854,097, Dec. 26, 2017.
Application 90/015,210 is a continuation in part of application No. 14/099,637, filed on Dec. 6, 2013, abandoned.
Application 14/099,637 is a continuation in part of application No. 11/653,153, filed on Jan. 12, 2007, granted, now 9,066,583.
Application 11/653,153 is a continuation in part of application No. 11/563,671, filed on Nov. 27, 2006, granted, now 8,448,285.
Ex Parte Reexamination Certificate issued on Oct. 1, 2026.
Int. Cl. A46B 5/02 (2006.01); A46B 5/00 (2006.01); A46B 9/04 (2006.01); A46B 15/00 (2006.01)
CPC A46B 5/0075 (2013.01) [A46B 5/02 (2013.01); A46B 9/04 (2013.01); A46B 15/0081 (2013.01); A46B 2200/1066 (2013.01)]
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
The patentability of claims 1-6 is confirmed.
1. A toothbrush having a composite head, the composite head comprising:
a rigid polymer inner core having a plurality of bristle holes for retention and holding a plurality of toothbrush bristles, the rigid inner core made from a 1st material;
a pliable flexible material completely surrounding the rigid inner core on a left and a right side in bottom plan view underside aspect, the pliable flexible material being made from a 2nd material; and
a bond at an interface between the rigid inner core and the pliable flexible material surrounding the rigid polymer inner core, wherein further the rigid polymer inner core is molded to the pliable flexible material thereby forming the composite head having the bond.