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Publication numberUSD361829 S
Publication typeGrant
Application numberUS 29/006,943
Publication dateAug 29, 1995
Filing dateApr 9, 1993
Priority dateMar 1, 1993
Publication number006943, 29006943, US D361829 S, US D361829S, US-S-D361829, USD361829 S, USD361829S
InventorsCarl-Gustaf Sonden, Kenneth Lennartsson
Original AssigneeLindab Ab
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Circular sleeve coupling
US D361829 S
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; and,

FIG. 4 is a front view of the sleeve coupling.

Non-Patent Citations
Reference
1Catalogue entitled "Kanalsystem 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 dated Nov. 19, 1981 (811119).
4German-language Product literature entitled "Kurven-schneidemaschine delta 2," issued by Suter AG Seon, 5703 Seon/Schweiz, Switzerland, 6 pp., first distributed c. 1982.
5Pipes by Solplast 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 0PW, 42 pp., Mar. 1992.
7Product Catalog entitled "Ducts and Fittings," issued by Lindab AB, Caswell Road, Brackmills Industrial Estate, Northampton NN4 0BR, 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 "Seam 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 I" issued by Spiro Investment AG, Industriestrasse, CH-3178 Boesingen, Switzerland, 2 pp., first distributed c. 1978.
12Product literature 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 kanalsystem," issued by Flakt Veloduct AB, Prastgårdsvagen 15, Box 84, 153 00 Jarna, Sweden, 29 pp., Jun. 1991.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7523964Mar 24, 2005Apr 28, 2009Langdon IncorporatedSealing gasket for ventilation duct system
Classifications
U.S. ClassificationD23/262