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:
Nov. 21, 1978
Filed:
Jun. 13, 1977
Applicant:
Inventors:
James R Zimmerle, O'Fallon, MO (US);
Robert W Randolph, St. Charles, MO (US);
Dallas W Rollins, St. Charles, MO (US);
Assignee:
ACF Industries, Incorporated, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D / ;
U.S. Cl.
CPC ...
105377 ; 49193 ; 292113 ; 292250 ;
Abstract
In a combination hatch cover for railway car roofs,including a large cover having a smaller cover mounted thereon, each having their own separately operable latch, a supplemental locking arrangement is provided to maintain the small cover in closed position when the latch cover is moved to open position resting on the car roof.