The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 1995
Filed:
Apr. 27, 1993
Applicant:
Inventor:
John Repasky, Hanover, PA (US);
Assignee:
Hanover Architectural Products, Inc., Hanover, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B / ; E04B / ; E04C / ; E04D / ;
U.S. Cl.
CPC ...
523024 ; 52505 ; 52408 ; 52604 ; 52605 ; 52606 ;
Abstract
A protected-membrane roof paving system and method of constructing same. Rectangular ballast blocks are laid in rows and interlocked by tongue and groove edge faces. The adjacent blocks in each row form labyrinthine channels between their edge faces for drainage and equalization of air pressure above and below the blocks.
Repasky, John. (1995). Aerodynamically stable roof paver system and ballast block therefor (U.S. Patent No. 5377468). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5377468
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile