Vacuum switch

Details Vacuum switch Vacuum switch

2006-05-16

2006-05-16

Reid, Stella (Department: 2912)

Equipment for production, distribution, or transformation of ene

Distribution, modification or control

Switch or casing therefor

Design Patent

active

D0520959

CLAIM:
The ornamental design for a vacuum switch, as shown.

REFERENCES:
patent: D206122 (1966-11-01), Bradbury
patent: 4339638 (1982-07-01), Lascelles et al.
patent: 4692575 (1987-09-01), Eberle
patent: D294345 (1988-02-01), Troutman et al.
patent: D399830 (1998-10-01), Nagai et al.
patent: D497145 (2004-10-01), Seo
patent: 2005/0118032 (2005-06-01), Nagai et al.
patent: D 1099463 (2001-02-01), None
U.S. Appl. No. 29/206,740, filed: Jun. 1, 2004: Inventor: S. Nagai, et al; Title: Vacuum Equipment.
U.S. Appl. No. 29/206,741, filed: Jun. 1, 2004: Inventor: S. Nagai, et al; Title: Vacuum Generator.

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