Pipelayer
Claims
The ornamental design for a pipelayer, as shown and described.
1931221 | October 1933 | Cummings et al. |
2681231 | June 1954 | Kondracki |
2722320 | November 1955 | Dobeus et al. |
3058600 | October 1962 | Leake et al. |
3265218 | August 1966 | Stefanutti |
D208693 | September 1967 | Prime |
D209137 | November 1967 | Highberger et al. |
3792781 | February 1974 | Blase et al. |
3842983 | October 1974 | Dolza |
3869814 | March 1975 | Rannev et al. |
4042116 | August 16, 1977 | Bertolino |
4083459 | April 11, 1978 | Allen |
4132317 | January 2, 1979 | Arendt et al. |
D252231 | June 26, 1979 | Asano |
D263051 | February 16, 1982 | Allen et al. |
4362435 | December 7, 1982 | Henry |
4666049 | May 19, 1987 | Gilmore, Jr. |
4946051 | August 7, 1990 | Cliff |
4966290 | October 30, 1990 | Ejchler et al. |
5353940 | October 11, 1994 | Pech et al. |
5392936 | February 28, 1995 | Solomon et al. |
6003252 | December 21, 1999 | Davis |
D425577 | May 23, 2000 | Bao |
D437602 | February 13, 2001 | Hiraoka et al. |
D462974 | September 17, 2002 | Yanagida et al. |
D463455 | September 24, 2002 | Yanagida et al. |
6609622 | August 26, 2003 | Forsyth |
6843619 | January 18, 2005 | Gelmi |
6893189 | May 17, 2005 | Matsushita et al. |
D518071 | March 28, 2006 | Gwak et al. |
20030168421 | September 11, 2003 | Davis |
20040033109 | February 19, 2004 | Gelmi |
20040190995 | September 30, 2004 | Matsushita et al. |
WO 99/24348 | May 1999 | WO |
WO 2004/080881 | September 2004 | WO |
- PCT International Search Report of the International Searching Authority, Jun. 20, 2003, International Application No. PCT/US03/07615.
- PCT International Search Report and Written Opinion of the International Searching Authority, Feb. 26, 2007, International Application No. PCT/US05/16278.
- “Revolutionary Pipelayer Introduced by DavCrane,” Underground Construction, Sep. 2003, www.undergroundconstructiononline.com, pp. 29-31.
Type: Grant
Filed: May 15, 2007
Date of Patent: Apr 22, 2008
Inventor: Daniel E. Davis (San Benito, TX)
Primary Examiner: Mitchell Siegel
Assistant Examiner: Mark Goodwin
Attorney: Patterson & Sheridan, L.L.P.
Application Number: 29/280,036