Spiral stairway
Description
FIG. 1 is a perspective view of a spiral stairway showing my new design;
FIG. 2 is a top plan view thereof; and
FIG. 3 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
| 3513547 | May 1970 | Suckno |
- Sweet's Catalog File Products for General Building, 1981, section 5.12 a/Ame, p. 4, item #64AW(Allwood), section 5.12 a/Cu, p. 3, photograph B.
Patent History
Patent number: D273231
Type: Grant
Filed: Sep 8, 1981
Date of Patent: Mar 27, 1984
Inventor: Abraham Suckno (Mountainside, NJ)
Primary Examiner: A. Hugo Word
Law Firm: Weingram & Klauber
Application Number: 6/300,245
Type: Grant
Filed: Sep 8, 1981
Date of Patent: Mar 27, 1984
Inventor: Abraham Suckno (Mountainside, NJ)
Primary Examiner: A. Hugo Word
Law Firm: Weingram & Klauber
Application Number: 6/300,245
Classifications
Current U.S. Class:
Stair, Ladder, Scaffold, Or Similar Support (D25/62)
