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The ornamental design of a self-centering alignment ring, as shown and described. |
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FIG. 1 is a perspective view of the self-centering alignment ring in its assembled configuration.
FIG. 2 is a side elevation view of the self-centering alignment ring, taken at the edge where the movable guide member fits onto the alignment ring.
FIG. 3 is a side elevation view of the self-centering alignment ring, taken at an edge rotated 90 degrees from the edge shown in FIG. 2.
FIG. 4 is a side elevation view of the self-centering alignment ring, taken at an edge rotated 180 degrees from the edge shown in FIG. 2.
FIG. 5 is a top plan view of the self-centering alignment ring.
FIG. 6 is a bottom plan view of the self-centering alignment ring.
FIG. 7 is an exploded perspective view taken at an upper side of the self-centering alignment ring; and,
FIG. 8 is an exploded perspective view taken at a lower side of the self-centering alignment ring.
Mann, Jerry T., Dougherty, Terry L.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 01 1998 | MANN, JERRY T | American Cast Iron Pipe Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009109 | /0733 | |
| Apr 01 1998 | DOUGHERTY, TERRY L | American Cast Iron Pipe Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009109 | /0733 | |
| Apr 06 1998 | American Cast Iron Pipe Company | (assignment on the face of the patent) | / | |||
| Jan 30 2009 | American Cast Iron Pipe Company | BANK OF AMERICA, N A , AS COLLATERAL AGENT | NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS | 022266 | /0265 | |
| Mar 28 2011 | American Cast Iron Pipe Company | BANK OF AMERICA, N A , AS AGENT | SECURITY AGREEMENT | 026073 | /0051 | |
| Mar 28 2011 | Waterous Company | BANK OF AMERICA, N A , AS AGENT | SECURITY AGREEMENT | 026073 | /0051 |
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