Number | Date | Country | Kind |
---|---|---|---|
2015259 | Apr 1990 | CAX |
Number | Name | Date | Kind |
---|---|---|---|
2571069 | Shearman | Oct 1951 | |
2886249 | Sidlow | May 1959 | |
3301485 | Tropeano et al. | Jan 1967 | |
3387791 | Allenbaugh, Jr. | Jun 1968 | |
3567117 | Eustis | Mar 1971 | |
3654446 | Patten | Feb 1972 | |
3945567 | Rambach | Mar 1976 | |
3948442 | Dewey | Apr 1976 | |
3964682 | Tropeano et al. | Jun 1976 | |
3979061 | Kircher | Sep 1976 | |
4004732 | Hanson | Jan 1977 | |
4083492 | Dewey | Apr 1978 | |
4105161 | Kircher et al. | Aug 1978 | |
4222519 | Kircher et al. | Sep 1980 | |
4223836 | Eager | Sep 1980 | |
4353504 | Girardin et al. | Oct 1982 | |
4475688 | Hodges | Oct 1984 | |
4493457 | Dilworth et al. | Jan 1985 | |
4516723 | Hesse | May 1985 | |
4573636 | Dilworth et al. | Mar 1986 | |
4634050 | Shippee | Jan 1987 | |
4682729 | Doman et al. | Jul 1987 | |
4711395 | Handfield | Dec 1987 | |
4793554 | Kraus et al. | Dec 1988 | |
4813598 | Kosik, Sr. et al. | Mar 1989 |
Number | Date | Country |
---|---|---|
1174064 | Sep 1984 | CAX |
004803 | Oct 1979 | EPX |
0089590 | Sep 1983 | EPX |
1372024 | Aug 1964 | FRX |
2371649 | Jun 1978 | FRX |
2376384 | Jul 1978 | FRX |
0951031 | Aug 1982 | SUX |
1317249 | Jun 1987 | SUX |
WO8605864 | Oct 1986 | WOX |
Entry |
---|
Sufag publication (1 sheet). Product commercially available more than one year before the filing date of this application. |
Happy Snow publication (8 sheets). Products commercially available more than one year before the filing date of this application. |
Areco publication (5 sheets). Product commercially available more than one year before the filing date of this application. |
Hedco publication (9 sheets, pp. 99-107). Product commercially available in 1970. |
Snowstream 320 publication (2 sheets, pp. 97 and 98). Product commercially available in 1968. |
Boyne Snowmaker publication (3 sheets, pp. 94-96). Product commercially available more than one year before the filing date of this application. |