U.S. patent number D669,333 [Application Number D/401,842] was granted by the patent office on 2012-10-23 for passageway door lock. This patent grant is currently assigned to I-Tek Metal Mfg. Co., Ltd.. Invention is credited to Hung-Jen Tien.
United States Patent | D669,333 |
Tien | October 23, 2012 |
Inventors: | Tien; Hung-Jen (Tainan, TW) |
---|---|
Assignee: | I-Tek Metal Mfg. Co., Ltd.
(Tainan, TW) |
Appl. No.: | D/401,842 |
Filed: | September 16, 2011 |
Current U.S. Class: | D8/330 |
Current International Class: | 0807 |
Field of Search: | ;D8/300,302,315,316,319,320,321,404,330,331,338,341,349 ;70/92,450,451,466,57,57.1,141,164,165 ;292/21,92,93,166,168,169,227 ;16/110.1,412,DIG.5 |
3614145 | October 1971 | Zawadzki |
3663047 | May 1972 | Zawadzki |
4167280 | September 1979 | Godec et al. |
4427223 | January 1984 | Godec et al. |
D297806 | September 1988 | Mohn |
4961330 | October 1990 | Evans |
D318410 | July 1991 | Mohn |
5067757 | November 1991 | Cohrs et al. |
D331182 | November 1992 | Hsien |
5412961 | May 1995 | Cain et al. |
5927765 | July 1999 | Austin et al. |
6205825 | March 2001 | Haeck et al. |
7204050 | April 2007 | Molokotos et al. |
D541633 | May 2007 | Austin et al. |
D578860 | October 2008 | James et al. |
7469942 | December 2008 | Whitaker et al. |
D604585 | November 2009 | Veltz et al. |
D623499 | September 2010 | Tien |
7832778 | November 2010 | Whitaker et al. |
Von Duprin print advertisements in magazines, including American School and University, Buildings, Architectural Product, Construction Specifier and Doors & Hardware (C). cited by other . Trademark Registration No. 3,753,843 Registered Mar. 2, 2010. cited by other . Trademark Registration No. 3,795,460 Registered Jun. 1, 2010. cited by other . Von Duprin Parts Manual 98/99 Series Rim Exit Devices ( F ). cited by other . Stanley Exit Devices Apex 2000 Series ( G ). cited by other . Von Duprin XP 98/99 Rim Exit Device ( D-1 ). cited by other . Von Duprin 98/99 Series Exit Devices ( D-3 ). cited by other . Von Duprin 98/99 Series Exit Devices ( D-2.1 ). cited by other. |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.