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Publication numberUSD360019 S
Publication typeGrant
Application numberUS 07/006,940
Publication dateJul 4, 1995
Filing dateApr 9, 1993
Priority dateMar 1, 1993
Publication number006940, 07006940, US D360019 S, US D360019S, US-S-D360019, USD360019 S, USD360019S
InventorsCarl-Gustaf Sonden, Kenneth Lennartsson
Original AssigneeLindab Ab
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Circular sleeve coupling
US D360019 S
Abstract  available in
Images(1)
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Claims(1)
  1. 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;

FIG. 3 is a side elevation of the sleeve coupling, the opposite side being a mirror image thereto.

Non-Patent Citations
Reference
1Catalogue entitled "Kanalysystem Veloduct", issued by Flakt in 1982.
2Curve Cutting Machine Delta 2 issued by Emil Suter Maschinenfabrik AG, CH-5703 Seon/Schweiz (English translation).
3General drawings No. J299102, producted by the Swedish company Flakt and daetd Nov. 19, 1981 (811119).
4German-language Product literature entitled "Kurven-schneidemaschine delta 2," issued by Suter Ag Seon, 5703 Seon/Schweiz, Switerzerland, 6 pp., first distributed c. 1982.
5Pipes by Solpast AB disclosed in a catalogue entitled "Svensk Byggkatalog Arp-87", issued by Svensk Byggtajanst in 1987.
6Product Catalog entitled "Circular Duct System," issued by Lindab AB, 45 Caswell Road, Brackmills Business Park, Northampton NN4 OPW, England, 42 pp., Mar. 1982.
7Product Catalog entitled "Ducts and Fittings," issued by Lindab Ab, Caswell Road, Brackmills Industrial Estate, Northampton NN4 OBR, England, 52 pp., first distributed in 1987.
8Product ESIU disclosed in a catalogue entitled "Ventilation-88", issued by Lindab AB in 1988.
9Product IK disclosed in a catalogue entitled "Ventilation-88", issued by Lindab AB in 1988.
10Product literature entitled "Sean Forming and Locking Machine beta 2," issued by Suter Ag Seon, 5703 Seon/Schweiz, Switzerland, 4 pp., first distributed c. 1982.
11Product literature entitled "Spiro Bend Segment Cutting Machine l" issued by Spiro Investment AG, Industriestrasse, CH-3178 Boesingen, Switzerland, 2 pp., first distributed c. 1978.
12Product literture entitled "Spiro Bend Segment Cutting Machine II" issued by Spiro Investment Ag, Industriestrasse, CH-3178 Boesingen, Switzerland, 6 pp., first distributed c. 1980.
13Product NPU disclosed in a catalogue entitled "Ventilation-88", issued by Lindab AB in 1988.
14Swedish-language Product Catalog entitled "Veloduct Cirkulart kanalysystem," issued by Flakt Veloduct Ab, Prastgardsvagen 15, Box 84, 153 00 Jarna. Sweden, 29 pp., Jun. 1991.
Classifications
U.S. ClassificationD23/262