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. 25, 2000
Filed:
Oct. 06, 1997
Applicant:
Inventor:
Thomas R Lanham, Boston, NY (US);
Assignee:
McGard, Inc., Orchard Park, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
411410 ; 411402 ; 411910 ; 811211 ; 811244 ; 81451 ; 81436 ;
Abstract
A multi-tier security fastener in the nature of a nut or bolt having a body with a first tier having a lobed drive surface, and second and third cylindrical tiers on opposite sides of the first tier, with all three tiers having different effective diameters. The second and third cylindrical tiers can have irregularities in the nature of a lobe or a depression.