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:
Aug. 27, 2024
Filed:
May. 26, 2020
Applicant:
Braskem S.a., Camaçari, BR;
Inventors:
Aldo Marconi Wessen Machado, São Paulo, BR;
Jesus Waldemar Golçalves da Silva, São Paulo, BR;
Renato Teixeira Vargas, São Paulo, BR;
Walter Vidon Junior, São Paulo, BR;
Assignee:
Braskem S.A., Camaçari, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B 3/44 (2006.01);
U.S. Cl.
CPC ...
E01B 3/44 (2013.01);
Abstract
A railroad sleeper for fixation of at least one pair of rails of a railroad network, the railroad sleeper may include a contact surface, wherein each rail of the pair of rails is fixed thereto spaced apart from each other; anchorage walls extending downward from the contact surface, and having a support point at a bottom surface thereof, the anchorage walls having at least one aperture formed therein; and a void delimited by the contact surface and anchorage walls.