Bolt and nut thread gauge

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Description

FIG. 1 is a perspective view of a bolt and nut thread gauge showing my new design;

FIG. 2 is a front view;

FIG. 3 is a back view;

FIG. 4 is a bottom view;

FIG. 5 is a top view;

FIG. 6 is an end view along line 6--6 in FIG. 2; and,

FIG. 7 is an end view taken along line 7--7 in FIG. 3.

Referenced Cited
U.S. Patent Documents
D249477 September 19, 1978 Lordahl
D249655 September 26, 1978 Gullaksen et al.
D345511 March 29, 1994 Petrohilos
D366843 February 6, 1996 Rosenstein
3858325 January 1975 Goerler
Other references
  • Match-A-Thread--Front View--Manufacturer Unknown and Date Unknown. Match-A-Thread--Back View--Manufacturer Unknown and Date Unknown.
Patent History
Patent number: D421575
Type: Grant
Filed: Feb 10, 1999
Date of Patent: Mar 14, 2000
Assignee: Rockford Products Corporation (Rockford, IL)
Inventor: Dennis Brian Palm (Rockford, IL)
Primary Examiner: Antoine Duval Davis
Law Firm: Arnold, White & Durkee
Application Number: 0/100,397
Classifications
Current U.S. Class: Template Or Comparator Gauge (6) (D10/64)
International Classification: 1004;