Constructional long block
Description
Claims
The ornamental design for a constructional long block, as shown and described.
Referenced Cited
U.S. Patent Documents
3410044 | November 1968 | Moog |
D213955 | April 1969 | Phillips |
5024035 | June 18, 1991 | Hanson et al. |
D340776 | October 26, 1993 | Harrison |
5457926 | October 17, 1995 | Jensen |
D429822 | August 22, 2000 | Jensen |
6105330 | August 22, 2000 | Nanayakkara |
20020046529 | April 25, 2002 | Nanayakkara |
20040265070 | December 30, 2004 | Nanayakkara |
Patent History
Patent number: D686756
Type: Grant
Filed: Feb 17, 2012
Date of Patent: Jul 23, 2013
Inventor: Lakdas Nanayakkara (Boca Raton, FL)
Primary Examiner: Anhdao Doan
Application Number: 29/413,639
Type: Grant
Filed: Feb 17, 2012
Date of Patent: Jul 23, 2013
Inventor: Lakdas Nanayakkara (Boca Raton, FL)
Primary Examiner: Anhdao Doan
Application Number: 29/413,639
Classifications
Current U.S. Class:
Construction Block Or Brick Type (17) (D25/113)