Safety gate
Description
FIG. 1 is a front perspective view of a safety gate, illustrated in the retracted state, embodying the principles of the present invention;
FIG. 2 is a rear perspective view of a safety gate, illustrated in the retracted state;
FIG. 3 is a top view of the safety gate of FIG. 1;
FIG. 4 is a front view of the safety gate of FIG. 1;
FIG. 5 is a bottom view of the safety gate of FIG. 1;
FIG. 6 is a side view of the safety gate of FIG. 1, as viewed from the right hand side of FIG. 1;
FIG. 7 is a side view of the safety gate of FIG. 1, as viewed from the left hand side of FIG. 1;
FIG. 8 is a rear view of the safety gate of FIG. 1; and,
FIG. 9 is a front perspective view of the safety gate of FIG. 1, with the gate illustrated in the extended state.
Referenced Cited
U.S. Patent Documents
| 139232 | May 1873 | Boughton |
| 141677 | August 1873 | Tuttle |
| 235660 | December 1880 | Ward |
| D301622 | June 13, 1989 | Kujawski |
| 334676 | January 1886 | Paulus et al. |
| D341207 | November 9, 1993 | Freese et al. |
| D348524 | July 5, 1994 | Young et al. |
| D355261 | February 7, 1995 | Abrams et al. |
| 367162 | July 1887 | Peterson |
| 498574 | May 1893 | Ryan |
| 604411 | May 1898 | Motley |
| 618725 | April 1899 | Harwood et al. |
| 646120 | March 1900 | Gallagher et al. |
| 865404 | September 1907 | Laurent |
| 903564 | November 1908 | Haben |
| 905142 | December 1908 | Bond |
| 942502 | December 1909 | Jablonovsky |
| 1148513 | August 1915 | Hoyt |
| 1238294 | August 1917 | Hertz |
| 1241660 | October 1917 | Roberts |
| 1332924 | March 1920 | Sikorovsky |
| 1335583 | March 1920 | Karro |
| 1416651 | May 1922 | Lanfair |
| 1438202 | December 1922 | Wieland |
| 1450920 | April 1923 | Hutchinson |
| 1465443 | August 1923 | Josler |
| 1515454 | November 1924 | Wilson |
| 1683204 | September 1928 | Mills |
| 1735458 | November 1929 | Gresak |
| 1752683 | April 1930 | Meagher |
| 1798600 | March 1931 | Gooch |
| 1849024 | March 1932 | McKee |
| 1961781 | January 1934 | Reagle |
| 2199851 | May 1940 | Culver |
| 2295194 | September 1942 | Atkinson |
| 2348561 | May 1944 | Mutch |
| 2490612 | December 1949 | Ballard |
| 2511372 | June 1950 | Price |
| 2520664 | August 1950 | Turner |
| 2559066 | July 1951 | Diefenbronn |
| 2563446 | July 1951 | Abel |
| 2574807 | September 1951 | Woodruff |
| 2577034 | April 1951 | Quinlan |
| 2581857 | January 1952 | Harrison |
| 2662242 | December 1953 | Hess |
| 2756469 | July 1956 | Cattermole et al. |
| 2803471 | August 1957 | Roth |
| 2851746 | September 1958 | McPhaden |
| 2896277 | July 1959 | Halligan |
| 2928146 | March 1960 | Kuniholm |
| 2982353 | May 1961 | Luger |
| 2998063 | August 1961 | Hafner |
| 3000063 | September 1961 | Hoog |
| 3120032 | February 1964 | Burnette |
| 3163205 | December 1964 | Gottlieb |
| 3216482 | November 1965 | Lindholm |
| 3420003 | January 1969 | Cline |
| 3431966 | March 1969 | Injeski |
| 3441037 | April 1969 | Transeau |
| 3461511 | August 1969 | Perina |
| 3489201 | January 1970 | Curry et al. |
| 3543977 | December 1970 | Lockridge |
| 3545135 | December 1970 | Lieber |
| 3571999 | March 1971 | Downing |
| 3638284 | February 1972 | Baker |
| 3651853 | March 1972 | Pedley |
| 3680260 | August 1972 | Bauer |
| 3691688 | September 1972 | Kaiserswerth |
| 3885616 | May 1975 | Berkowitz |
| 3906671 | September 1975 | Maldonado |
| 3942576 | March 9, 1976 | Rickard |
| 3950894 | April 20, 1976 | DiMaio |
| 3957251 | May 18, 1976 | McCracken |
| 4000590 | January 4, 1977 | Kordewick |
| 4004325 | January 25, 1977 | Hubachek |
| 4094021 | June 13, 1978 | Rapp |
| 4149342 | April 17, 1979 | Bowers |
| 4150510 | April 24, 1979 | Harrison et al. |
| 4174096 | November 13, 1979 | Camapbell |
| 4325533 | April 20, 1982 | Tiletschke et al. |
| 4367819 | January 11, 1983 | Lewis |
| 4437265 | March 20, 1984 | Turro et al. |
| 4465262 | August 14, 1984 | Itri et al. |
| 4470277 | September 11, 1984 | Uyeda |
| 4492263 | January 8, 1985 | Gebhard |
| 4566222 | January 28, 1986 | Hatvany |
| 4573285 | March 4, 1986 | Jokel |
| 4583715 | April 22, 1986 | Wright |
| 4607455 | August 26, 1986 | Bluem et al. |
| 4611431 | September 16, 1986 | Lauro |
| 4615142 | October 7, 1986 | Reeves |
| 4628635 | December 16, 1986 | Maillard |
| 4643318 | February 17, 1987 | Kopp |
| 4671012 | June 9, 1987 | Merklinger et al. |
| 4671015 | June 9, 1987 | Curry et al. |
| 4677791 | July 7, 1987 | Larson et al. |
| 4685247 | August 11, 1987 | Alam |
| 4702036 | October 27, 1987 | Johnson |
| 4777765 | October 18, 1988 | Johnson |
| 4787174 | November 29, 1988 | Brown |
| 4831777 | May 23, 1989 | Johnson |
| 4846246 | July 11, 1989 | Stern |
| 4848030 | July 18, 1989 | Bennett |
| 4884614 | December 5, 1989 | Spurling |
| 4938154 | July 3, 1990 | Watt |
| 4944117 | July 31, 1990 | Gebhard et al. |
| 4968071 | November 6, 1990 | Stern |
| 5052461 | October 1, 1991 | Stern |
| 5060421 | October 29, 1991 | Castelli |
| 5117585 | June 2, 1992 | Andrisin |
| 5131186 | July 21, 1992 | Lamont |
| 5134806 | August 4, 1992 | Burkart |
| 5199753 | April 6, 1993 | Presley |
| 5217265 | June 8, 1993 | Lerner et al. |
| 5272840 | December 28, 1993 | Knoedler et al. |
| 5367829 | November 29, 1994 | Crossley et al. |
| 5396732 | March 14, 1995 | Anderson |
| 5437115 | August 1, 1995 | Freese et al. |
| 5442881 | August 22, 1995 | Asbach et al. |
Patent History
Patent number: D384752
Type: Grant
Filed: Jul 17, 1996
Date of Patent: Oct 7, 1997
Assignee: BRK Brands, Inc. (Aurora, IL)
Inventors: Craig S. Scherer (Wilmette, IL), David C. Brown (Chicago, IL), Michael C. Thuma (Desplaines, IL)
Primary Examiner: Doris Clark
Law Firm: Dressler, Rockey, Milnamow & Katz, Ltd.
Application Number: 0/57,161
Type: Grant
Filed: Jul 17, 1996
Date of Patent: Oct 7, 1997
Assignee: BRK Brands, Inc. (Aurora, IL)
Inventors: Craig S. Scherer (Wilmette, IL), David C. Brown (Chicago, IL), Michael C. Thuma (Desplaines, IL)
Primary Examiner: Doris Clark
Law Firm: Dressler, Rockey, Milnamow & Katz, Ltd.
Application Number: 0/57,161
Classifications
Current U.S. Class:
D25/50
International Classification: 2502;
International Classification: 2502;