|
An ornamental design for a riser sleeve, as shown and described. |
FIG. 1 is an isometric view of the riser sleeve;
FIG. 2 is an end view of the riser sleeve;
FIG. 3 is a side top view of the riser sleeve;
FIG. 4 is a rear view of the riser sleeve;
FIG. 5 is a front view of the riser sleeve;
FIG. 6 is a longitudinal cross section taken on the line 6--6 of FIG. 4;
FIG. 7 is a transverse cross-section taken on the line 7--7 of FIG. 3; and,
FIG. 8 is a transverse cross-section taken on the line 8--8 of FIG. 3.
Aufderheide, Ronald C., Gilson, David M., Perrins, John L.
Patent | Priority | Assignee | Title |
D699597, | Mar 22 2012 | GIATEC SCIENTIFIC INC | Concrete core test fixture |
D710915, | Apr 09 2012 | Sloped plate conditioner insert | |
D710916, | Apr 09 2012 | Parallel plate conditioner insert |
Patent | Priority | Assignee | Title |
1175555, | |||
5425410, | Aug 25 1994 | PYROTEK, INC. | Sand casting mold riser/sprue sleeve |
D266567, | Jan 21 1977 | Foseco Trading AG | Insulating riser sleeve |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 29 2005 | Ashland Inc | Ashland Licensing and Intellectual Property LLC | CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE PATENT NUMBER 6763859 PREVIOUSLY RECORDED ON REEL 016408 FRAME 0950 ASSIGNOR S HEREBY CONFIRMS THE ASSIGNMENT | 032867 | /0391 | |
Jun 29 2005 | Ashland Inc | Ashland Licensing and Intellectual Property LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016408 | /0950 | |
Nov 30 2010 | BANK OF AMERICA, N A , AS COLLATERAL AGENT | Ashland Licensing and Intellectual Property LLC | PARTIAL RELEASE OF PATENT SECURITY AGREEMENT | 025437 | /0375 | |
Dec 17 2010 | Ashland Licensing and Intellectual Property LLC | ASK CHEMICALS L P | CORRECTIVE ASSIGNMENT TO REMOVE PATENT NUMBER 6763859 PREVIOUSLY RECORDED AT REEL: 025622 FRAME: 0222 ASSIGNOR S HEREBY CONFIRMS THE ASSIGNMENT | 033063 | /0840 | |
Dec 17 2010 | Ashland Licensing and Intellectual Property LLC | ASK CHEMICALS L P | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 025622 | /0222 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |