| D429531 |
Structural block
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| Patent Drawings: | |
| Inventor: |
VonDross |
| Date Issued: |
August 15, 2000 |
| Application: |
D/102,094 |
| Filed: |
March 17, 1999 |
| Inventors: |
VonDross; Kerry L. (Waukesha, WI)
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| Assignee: |
Best Block Company (Butler, WI) |
| Primary Examiner: |
Clark; Doris |
| Assistant Examiner: |
Delehanty; Robert A. |
| Attorney Or Agent: |
Andrus, Sceales, Starke & Sawall |
| U.S. Class: |
D25/114 |
| Field Of Search: |
D25/102; D25/113; D25/114; D25/115; D25/116; D25/117; D25/118; D21/484; D21/485; D21/486; D21/488; D21/489; D21/490; D21/491; D21/492; D21/493; D21/499; D21/500; D21/501; D21/502; D21/503; D21/504; D21/505; 52/574; 52/575; 52/596; 52/604; 52/605; 52/606; 52/607; 52/608; 52/609; 52/610; 52/611; 52/612; 404/33; 404/34; 404/35; 404/36; 404/37; 404/38; 404/39; 404/40; 404/41; 404/42; 405/284; 405/285; 405/286 |
| International Class: |
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| U.S Patent Documents: |
D291601; D306764; D387183; D409312; 439641; 916756; 1441156; 2933146; 3506089; 3837426; 3866001; 4269013; 4319661; 4499142; 4821839; 4833852; 4964486; 5027920; 5168129; 5193318; 5226267; 5401921; 5700983 |
| Foreign Patent Documents: |
941261; 975512; 985243 |
| Other References: |
RPG Diffuser Systems, Inc.. DIFFUSORBLOX--The First Radically New Development in Acoustical Concrete Masonry Technology in 30 Years..
West Materials, Inc., "ENERBLOCK--Insulating Concrete Masonry"..
Sweet's General Building & Renovation 1993 Catalog File: Oldcastle Architectural Products, Florentine Collection, highlighted stones.. |
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| Abstract: |
|
| Claim: |
The ornamental design for a structural block, as shown. |
| Description: |
FIG. 1 is a top, front, and left side isometric view of the structural block of the invention;
FIG. 2 is a top view of the structural block;
FIG. 3 is a front view of the structural block;
FIG. 4 is a left side view of the structural block;
FIG. 5 is a right side view of the structural block;
FIG. 6 is a bottom view of the structural block;
FIG. 7 is a top, front and left side isometric view of an alternate embodiment of the structural block of the invention;
FIG. 8 is a top view of the alternate embodiment shown in FIG. 7;
FIG. 9 is a front view of the alternate embodiment shown in FIG. 7;
FIG. 10 is a left side view of the alternate embodiment shown in FIG. 7;
FIG. 11 is a right side view of the alternate embodiment shown in FIG. 7; and,
FIG. 12 is a bottom view of the alternate embodiment shown in FIG. 7.
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