The broken lines illustrate portions of the portable heater which form no part of the claimed design.
The broken lines illustrate portions of the portable heater which form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
2405427 | Holthouse | Aug 1946 | A |
2540280 | Norman, Jr. | Feb 1951 | A |
2552492 | Nathan | May 1951 | A |
2758590 | Besser | Aug 1956 | A |
3073583 | Woollen, Jr. | Jan 1963 | A |
3092095 | Hottenroth et al. | Jun 1963 | A |
3101193 | Varvel | Aug 1963 | A |
D201165 | Briggs | May 1965 | S |
D202009 | Schofield et al. | Aug 1965 | S |
D202010 | Schofield et al. | Aug 1965 | S |
3256003 | Briggs | Jun 1966 | A |
3319947 | Truesdell | May 1967 | A |
3364917 | Woollen, Jr. | Jan 1968 | A |
3393903 | Berglund, Jr. | Jul 1968 | A |
3401920 | Berkhoudt et al. | Sep 1968 | A |
3794461 | Brazee | Feb 1974 | A |
3883290 | Windelbandt | May 1975 | A |
3998581 | Hemingway et al. | Dec 1976 | A |
D247045 | Briggs | Jan 1978 | S |
4313417 | Briggs et al. | Feb 1982 | A |
D264374 | Briggs et al. | May 1982 | S |
4340362 | Chalupsky et al. | Jul 1982 | A |
4443187 | Shaftner et al. | Apr 1984 | A |
D330756 | Davies et al. | Nov 1992 | S |
5476378 | Zagoroff et al. | Dec 1995 | A |
5893711 | Vogelzang et al. | Apr 1999 | A |
D421296 | Kemp | Feb 2000 | S |
6142141 | Long | Nov 2000 | A |
6152128 | Willey et al. | Nov 2000 | A |
D447795 | Hudson | Sep 2001 | S |
6880549 | Topp | Apr 2005 | B2 |
D541916 | Noyer et al. | May 2007 | S |
D577173 | Pitchford et al. | Sep 2008 | S |
D598526 | Pitchford et al. | Aug 2009 | S |
D604399 | Aregger et al. | Nov 2009 | S |
D617434 | Aregger et al. | Jun 2010 | S |
20110268429 | Vandrak et al. | Nov 2011 | A1 |
Number | Date | Country |
---|---|---|
56133872 | Oct 1981 | JP |