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Circular sleeve coupling |
| D367316 |
Circular sleeve coupling
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| Patent Drawings: | |
| Inventor: |
Sonden, et al. |
| Date Issued: |
February 20, 1996 |
| Application: |
D/006,951 |
| Filed: |
April 9, 1993 |
| Inventors: |
Lennartsson; Kenneth (Torekov, CH)
Sonden; Carl-Gustaf (Angelholm, CH)
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| Assignee: |
Lindab AB (Bastad, SE) |
| Primary Examiner: |
Zarfas; Louis S. |
| Assistant Examiner: |
Watterson; Eric |
| Attorney Or Agent: |
Weingarten, Schurgin, Gagnebin & Hayes |
| U.S. Class: |
D23/262 |
| Field Of Search: |
D23/262; D23/263; D23/264; D23/265; 285/424; 138/109; 16/2; 16/108; 16/109; 277/27A |
| International Class: |
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| U.S Patent Documents: |
2535186; 3327945; 3368830; 4007941; 4050703 |
| Foreign Patent Documents: |
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| Other References: |
Product Catalog entitled "Ducts and Fittings," issued by Lindab AB, Caswell Road, Brackmills Industrial Estate, Northampton NN4 OBR, England,52 pp., first distributed in 1987..
Product Catalog entitled "Circular Duct System," issued by Lindab AB, 45 Caswell Road, Brackmills Business Park, Northampton NN4 OPW, England, 42 pp., Mar. 1992..
Swedish-language Product Catalog entitled "VELODUCT Cirkulart kanalsystem," issued by Flakt VELODUCT AB, Prastg.ang.rdsvagen 15, Box 84, 153 00 Jarna, Sweden, 29 pp., Jun. 1991..
Product literature entitled "SPIRO Bend Segment Cutting Machine 1" issued by Spiro Investment AG, Industriestrasse, CH-3178 Boesingen, Switzerland, 2 pp., first distributed c. 1978..
Product literature entitled "SPIRO Bend Segment Cutting Machine II" ossued by SPIRO Investment AG, Industriestrasse, CH-3178 Boesingen, Switzerland, 6 pp., first distributed c. 1980..
German-language Product literature entitled "Kurven-schneidemaschine delta 2," issued by SUTER AG SEON, 5703 Seon/Schweiz, Switzerland, 6 pp., first distributed c. 1982..
Product literature entitled "Seam Forming and Locking Machine beta 2," issued by SUTER AG SEON, 5703 Seon Schweiz, Switzerland, 4 pp., first distributed c. 1982..
Curve Cutting Machine Delta 2 issued by Emil Suter Maschinenfabrik AG, CH-5703 Seon/Schweiz (English translation).. |
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| Abstract: |
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| Claim: |
The ornamental design for a circular sleeve coupling, as shown and described. |
| Description: |
FIG. 1 is a perspective view of a circular sleeve coupling, showing our new design, as seen obliquely from the front;
FIG. 2 is a perspective view of the sleeve coupling, as seen obliquely from the back; and,
FIG. 3 is a side elevation of the sleeve coupling, the opposite side being a mirror image thereto.
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