Drainage device

Details Drainage device Drainage device

2000-11-03

2001-07-17

Davis, Antoine Duval (Department: 2913)

Machines not elsewhere specified

Lubricator or oil collector.

Design Patent

active

D0445121

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

REFERENCES:
patent: D. 221886 (1971-09-01), Gruett
patent: D. 415029 (1999-10-01), Fenton et al.
patent: 2069606 (1937-02-01), Gary et al.
patent: 3301282 (1967-01-01), Fresolone
patent: 3635262 (1972-01-01), Stebbins
patent: 4905731 (1990-03-01), Tamashiro et al.
patent: 5497864 (1996-03-01), Olsen
patent: 5967201 (1999-10-01), Gasior

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