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:
Mar. 01, 1977
Filed:
Jun. 12, 1975
Applicant:
Inventor:
Leonard I Tafel, Chicago, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01C / ;
U.S. Cl.
CPC ...
238-8 ;
Abstract
The crossing structure is used at an intersection of a roadway, railroad right-of-way to provide an inexpensive and durable and smooth surface covering for that portion of the roadway which is between the tracks and immediately adjacent the tracks, on either side thereof. The structure is made from a rubber laminae clamped between metal plates which interlock between the rails. Preferably, the laminae is made from bodies of used automobile tires.
Tafel, Leonard. (1977). Flexible, resilient, and wear resistant railroad crossing structure (U.S. Patent No. 4009827). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4009827
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile