IP Library Granted Patent US 9,033,771
Granted Patent B2
US 9,033,771 · App. 13/774,419 · Granted May 19, 2015

Knife sharpener

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 9,033,771
App. No.
13/774,419
Granted
May 19, 2015
Kind
B2
Abstract

A knife sharpener having an angled bolster for providing predetermined sharpening angles with respect to the sharpening surface is provided. The angled bolster of the knife sharpener preferably includes two different angled surfaces for establishing at least two different predetermined sharpening angles for a cutting implement to be sharpened. The angled bolster is configured to set up the knife sharpening angle at predetermined angles with respect to the sharpening surface.

Claims (18)

1. A knife sharpener having a knife sharpening portion; the sharpener comprising:

an angled bolster portion positioned at one end of the sharpening portion and having a first angled surface and a second angled surface sloped toward the sharpening portion, each of the first and second angled surfaces having an angle of inclination of less than 30 degrees such that said first and second angled surfaces are different from each other and configured to support and position a cutting edge of blade to be sharpened at a first and second predetermined sharpening angle, respectively, with respect to the sharpening portion.

2. The knife sharpener according to claim 1 , wherein a second of the two predetermined angular surfaces is configured to be positioned on an opposite side of the sharpening portion as a first of the two predetermined angular surfaces.

3. A knife sharpener comprising:

a handle;

an angled bolster portion integrated into one end of the handle and having at least two separate and distinct angled surfaces; and

a sharpening rod axially extending away from the angled bolster portion;

wherein said at least two angled surfaces have angles of inclination less than 30 degrees and are configured to provide two different and distinct predetermined sharpening angles less than 30 degrees to a cutting edge of a blade to be sharpened.

4. The knife sharpener according to claim 3 , wherein said second angled surface having a different angular disposition than said at least one angular surface with respect to the sharpening rod.

5. The knife sharpener according to claim 3 , wherein said angled bolster is integrated into said handle.

6. The knife sharpener according to claim 3 , further comprising means for securing said handle to a stationary surface.

7. A knife sharpener comprising:

a handle having an area for receiving a user's hand and two opposing ends;

an angled bolster portion integrated into one end of the handle opposite said area for receiving the user's hand and having a first angled surface and a second angled surface positioned opposite said first angled surface; and

a sharpening rod connected to the angled bolster portion and axially extending away therefrom;

wherein said first and second angled surfaces are configured to provide first and second different and distinct predetermined sharpening angles each being less than 30 degrees to a cutting edge of a blade to be sharpened.

8. The knife sharpener according to claim 7 , wherein said sharpening rod is removable from said handle.

9. The knife sharpener according to claim 7 , further comprising means for securing said handle to a stationary surface.

Assignments (5)
RELEASE OF SECURITY INTEREST IN PATENT COLLATERAL AT REEL/FRAME NO. 32018/0888 Recorded Mar 6, 2018
From: JPMORGAN CHASE BANK, N.A.
To: LIFETIME BRANDS, INC.
Reel/Frame 045505/0842 →
SECURITY INTEREST Recorded Mar 5, 2018
From: LIFETIME BRANDS, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 045498/0001 →
SECURITY INTEREST Recorded Mar 5, 2018
From: LIFETIME BRANDS, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 045498/0033 →
SECURITY AGREEMENT Recorded Jan 14, 2014
From: LIFETIME BRANDS, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 032018/0888 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 25, 2013
From: KRENT, ADAM
To: LIFETIME BRANDS, INC.
Reel/Frame 029869/0335 →