PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D275996
|
Priority
Sep 29 1982
|
Filed
Sep 29 1982
|
Issued
Oct 16 1984
|
Expiry
Oct 16 1998
|
|
Assg.orig
|
|
Entity
unknown
|
1
|
2
|
n/a
|
|
|
The ornamental design for a building block, as shown.
|
FIG. 1 is an isometric view of a building block according to the invention;
FIG. 2 is a side elevation of a building block according to the invention;
FIG. 3 is a top plan view of a building block according to the invention;
and
FIG. 4 is an end elevation of a building block according to the invention.
Rassias, John N., Clark, Cecily M.
Patent |
Priority |
Assignee |
Title |
D498544, |
Sep 04 2003 |
|
Pool coping brick |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a