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United States Patent D383,195
Sonden ,   et al. September 2, 1997

Circular sleeve coupling

Claims


The ornamental design for a circular sleeve coupling, as shown and described.
Inventors: Sonden; Carl-Gustaf (Angelholm, SE), Lennartsson; Kenneth (Torekov, SE)
Assignee: Lindab AB (Bastad, SE)
[*] Notice: The portion of the term of this patent subsequent to July 4, 2009 has been disclaimed.
Appl. No.: D/006,947
Filed: April 9, 1993

Foreign Application Priority Data

Mar 01, 1993 [DK] 0226 93

Current U.S. Class: D23/262
Current International Class: 0808
Field of Search: D23/262,263,264,265 285/424 138/109 277/27A 16/2,108,109

References Cited

U.S. Patent Documents
193847 August 1877 Choate
210367 November 1878 Stern et al.
244720 July 1881 Hildebrand
409631 August 1889 Cooper
735644 September 1903 Wirtz
910119 January 1909 Dunn
997072 July 1911 Mares
1083002 December 1913 Charles
2392220 January 1946 Bruhn et al.
2482558 September 1949 Scaringella
2535186 December 1950 Anderson
2823703 February 1958 Nusser, Jr.
3111922 November 1963 Hock
3290066 December 1966 Primich et al.
3327945 June 1967 Pfister
3368830 February 1968 French
4007941 February 1977 Stancati
4050703 September 1977 Tuvesson et al.
4288111 September 1981 Feutz
Foreign Patent Documents
363743 Aug., 1981 AT
13987 Jul., 1973 SE
19819 Jun., 1975 SE
17788 Dec., 1975 SE
382675 Feb., 1976 SE
25473 Mar., 1979 SE
25610 Aug., 1979 SE
26995 Nov., 1979 SE
26059 Nov., 1979 SE
840944 Sep., 1984 SE
880780 Mar., 1988 SE
1403744 Mar., 1975 GB
1429220 Aug., 1976 GB
21490040 Jun., 1985 GB

Other References

Pipes by Solpast AB disclosed in a catalogue entitled "Svensk Byggkatalog Arp-87", issued by Svensk Byggtajanst in 1987. .
Product NPU disclosed in a catalogue entitled "Ventilation -88", issued by Lindab AB in 1988. .
Product ESIU disclosed in a catalogue entitled "Ventilation -88", issued by Lindab AB in 1988. .
Product IK disclosed in a catalogue entitled "Ventiltion -88", issued by Lindab AB in 1988. .
General drawings No. J299102, produced by the Swedish company Flakt and dated Nov. 19, 1981 (811119). .
Catalogue entitled "Kanalsystem VELODUCT", issued by Flatk in 1982. .
CurveCutting Machine Delta 2 issued by Emil Suter Maschinenfabrik AG, CH-5703 Seon/Schweiz (English translation). .
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 entiled "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 I" 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" issued by SPIRO Investment AG, Industriestrasse, CH-3178 Boesingen, Switzerland, 6 pp., first disributed 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..

Primary Examiner: Zarfas; Louis S.
Assistant Examiner: Waterson; Eric
Attorney, Agent or Firm: Weingarten, Schurgin, Gagnebin & Hayes LLP

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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