U.S. patent number D819,231 [Application Number D/602,751] was granted by the patent office on 2018-05-29 for landscaping block. This patent grant is currently assigned to KEYSTONE RETAINING WALL SYSTEMS LLC. The grantee listed for this patent is Robert John Lundell, Robert A. MacDonald, Thomas S. Riccobene. Invention is credited to Robert John Lundell, Robert A. MacDonald, Thomas S. Riccobene.
United States Patent | D819,231 |
Lundell , et al. | May 29, 2018 |
Inventors: | Lundell; Robert John (Stillwater, MN), MacDonald; Robert A. (Plymouth, MN), Riccobene; Thomas S. (Albuquerque, NM) | ||||||||||
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Applicant: |
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Assignee: | KEYSTONE RETAINING WALL SYSTEMS
LLC (West Chester, OH) |
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Appl. No.: | D/602,751 | ||||||||||
Filed: | May 3, 2017 |
Application Number | Filing Date | Patent Number | Issue Date | ||
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29533762 | Jul 22, 2015 | D789555 | |||
Current U.S. Class: | D25/113 |
Current International Class: | 2501 |
Field of Search: | ;D25/112-118 ;52/102,606,608 ;404/34,37,38,39,41,42 ;446/110,117 |
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https://www.keystonewalls.com/products/patio-stones-pavers/lundurra-paver/ Retrieved Aug. 23, 2017 (Year: 2017). cited by examiner . Home Depot Hardscapes Valestone Inspiration Book, Monaco Paver, pp. 6-7 (2013). cited by applicant . U.S. Appl. No. 29/533,763 (7 pages). cited by applicant . U.S. Appl. No. 29/533,764 (6 pages). cited by applicant. |
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