Letter weighing device
Description
FIG. 1 is a side perspective view looking from above and one end;
FIG. 2 is an enlarged exploded fragmentary view looking from above;
FIG. 3 is a perspective view looking from above showing other side and other end;
FIG. 4 is underneath perspective view; and,
FIG. 5 is an end view looking in the direction of arrow-A.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D23335 | June 1894 | Withrow |
D233658 | November 1974 | Schroeder |
D250935 | January 30, 1979 | Lokuig |
1201063 | October 1916 | Litchfield |
2204595 | June 1940 | Hotson |
2507073 | May 1950 | White |
2612365 | September 1952 | Nielson |
3224516 | December 1965 | Stelzer |
4961472 | October 9, 1990 | Pratt |
479802 | July 1929 | DEX |
560626 | October 1932 | DEX |
411206 | June 1934 | GBX |
Patent History
Patent number: D354245
Type: Grant
Filed: Apr 20, 1993
Date of Patent: Jan 10, 1995
Inventor: Barry S. Waltho (Bowdon Vale Altrincham, Cheshire WA14 3EL)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Pravel, Hewitt, Kimball & Krieger
Application Number: 0/7,371
Type: Grant
Filed: Apr 20, 1993
Date of Patent: Jan 10, 1995
Inventor: Barry S. Waltho (Bowdon Vale Altrincham, Cheshire WA14 3EL)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Pravel, Hewitt, Kimball & Krieger
Application Number: 0/7,371
Classifications
Current U.S. Class:
Beam Or Balance Type (D10/90)