Spring

Details Spring Spring

2011-04-12

2011-04-12

Simmons, Ian (Department: 2916)

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Dental

Design Patent

active

D0636083

CLAIM:
The ornamental design for a spring, as shown and described.

REFERENCES:
patent: 3792529 (1974-02-01), Goshgarian
patent: 4408989 (1983-10-01), Cleary
patent: 4592725 (1986-06-01), Goshgarian
patent: D296359 (1988-06-01), Dixon
patent: 4815968 (1989-03-01), Keller
patent: 4854864 (1989-08-01), Cleary
patent: 5167499 (1992-12-01), Arndt et al.
patent: 5312247 (1994-05-01), Sachdeva et al.
patent: D354569 (1995-01-01), Hilgers
patent: 5816800 (1998-10-01), Brehm et al.
patent: 7717707 (2010-05-01), Cope
patent: 2003/0104335 (2003-06-01), Chung

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