U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Toothbrush

Patent 5746595 Issued on May 5, 1998. Estimated Expiration Date: Icon_subject February 6, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

913184

3039123

3214775

3690314

3910265

Pulsed liquid hygiene apparatus
Patent #: 4111193
Issued on: 09/05/1978
Inventor: Jousson

Toothbrush
Patent #: 4175879
Issued on: 11/27/1979
Inventor: Molinari

Water-driven toothbrush and water-pick assembly
Patent #: 4257433
Issued on: 03/24/1981
Inventor: Kwan

Oral hygiene device
Patent #: 4303064
Issued on: 12/01/1981
Inventor: Buffa

Tooth cleaning toothbrush and system
Patent #: 4903688
Issued on: 02/27/1990
Inventor: Bibby, et al.

More ...

Inventor

Application

No. 597610 filed on 02/06/1996

US Classes:

433/80, Having intra-oral dispensing means401/289, Attached or attachable to conduit supply means601/162, Dental (e.g., Waterpick@)601/165With means for connection to fluid source

Examiners

Primary: Lewis, Ralph A.

Attorney, Agent or Firm

Foreign Patent References

  • 97015 EP 12/13/1983
  • 2221240 DE 11/13/1973
  • 2842829 DE 04/13/1980

International Class

A61G 017/02

Abstract

A toothbrush connectable to a pressurized source of water for expelling a stream of pulsating water from the brush head thereof is provided. The toothbrush, includes: a body having a conduit therein in fluid communication between a water inlet and a plurality of holes formed in the brush head of the body, a flexible hose having a first end connected to the water inlet and a second end connectable to a pressurized source of water and a pulsatile mechanism in operational connection with the conduit for transforming the flow of water therethrough the conduit into a pulsating stream of water expelled from the holes.

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