The left and right side elevational views are substantially similar.
The left and right side elevational views are substantially similar.
| Number | Name | Date | Kind |
|---|---|---|---|
| 1443891 | Sahlberg | Jan 1923 | A |
| 1457151 | Dickey | May 1923 | A |
| 1600939 | Graham | Sep 1926 | A |
| 2133553 | Lord | Oct 1938 | A |
| 2168991 | Hungerford | Aug 1939 | A |
| 2265301 | Meyer | Dec 1941 | A |
| 2267024 | Godwin | Dec 1941 | A |
| 2291157 | Hillberg | Jul 1942 | A |
| 2323026 | Geyer | Jun 1943 | A |
| 2375361 | Hillberg | May 1945 | A |
| 2401964 | Robertson | Jun 1946 | A |
| 2439428 | Hillberg | Apr 1948 | A |
| 2489851 | Bean | Nov 1949 | A |
| 2780149 | Heltzel | Feb 1957 | A |
| 2848929 | Wilbur | Aug 1958 | A |
| 3059553 | Woolley | Oct 1962 | A |
| 3870428 | Jackson | Mar 1975 | A |
| 3972640 | Miller | Aug 1976 | A |
| 4648739 | Thomsen | Mar 1987 | A |
| D361710 | Boeshart | Aug 1995 | S |
| D378049 | Boeshart | Feb 1997 | S |
| D383373 | Boeshart | Sep 1997 | S |
| 5797231 | Kramer | Aug 1998 | A |
| 6092960 | McCallion | Jul 2000 | A |
| 6171016 | Pauls et al. | Jan 2001 | B1 |
| 6210070 | Shaw et al. | Apr 2001 | B1 |
| 6447203 | Ruiz et al. | Sep 2002 | B1 |
| 6477203 | Poplin | Nov 2002 | B1 |
| 7481031 | Boxall | Jan 2009 | B2 |
| 8381470 | Boxall et al. | Feb 2013 | B2 |
| 8511935 | Thomas | Aug 2013 | B1 |
| 9540775 | Heady | Jan 2017 | B2 |
| 9574309 | McDonald | Feb 2017 | B2 |
| 9897124 | Galligan et al. | Feb 2018 | B1 |
| 10119281 | Connell | Nov 2018 | B2 |
| 10280568 | McDonald | May 2019 | B2 |
| 10443194 | McDonald | Oct 2019 | B2 |
| 10662642 | Hansort | May 2020 | B2 |
| 20070231068 | Francis | Oct 2007 | A1 |
| 20130209171 | Thomas | Aug 2013 | A1 |
| 20140270949 | Keeran | Sep 2014 | A1 |
| 20160017549 | Schenk | Jan 2016 | A1 |
| 20180030669 | Heady | Feb 2018 | A1 |
| 20180195240 | McDonald | Jul 2018 | A1 |
| 20180320373 | Rodden | Nov 2018 | A1 |
| 20180347610 | Zuk | Dec 2018 | A1 |
| 20190249375 | McDonald | Aug 2019 | A1 |
| 20200217022 | Johnson | Jul 2020 | A1 |
| Number | Date | Country |
|---|---|---|
| 205688305 | Nov 2016 | CN |
| Entry |
|---|
| McTech Group Inc, Green and Sustainable Concrete Slab Load Transfer, North Carolina. |
| Surebuilt Concrete Forms & Accessories, Dowel Basket, Dowel Bar Basketsdowel Bar Baskets. |
| PNA Construction Technologies, PD3 Basket® Assembly. |