Gate valve

Details Gate valve Gate valve

2003-02-20

2004-08-24

Holtje, Nelson C. (Department: 2913)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Design Patent

active

D0495035

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

REFERENCES:
patent: 3041037 (1962-06-01), Patrick
patent: 3052963 (1962-09-01), Williams
patent: 3320974 (1967-05-01), Masao et al.
patent: D226605 (1973-04-01), Brindisi
patent: D228234 (1973-08-01), Willetts
patent: 4693447 (1987-09-01), Perez
patent: D292935 (1987-11-01), Kemp
patent: 4832083 (1989-05-01), Bruner
patent: D342307 (1993-12-01), Bartholf et al.
patent: D352094 (1994-11-01), Baker
patent: D480449 (2003-10-01), Kah et al.

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