Pipe sizing guage

Details Pipe sizing guage Pipe sizing guage

2000-12-21

2001-07-24

Davis, Antoine Duval (Department: 2913)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0445348

CLAIM:
The ornamental design for a pipe sizing gauge, as shown.

REFERENCES:
patent: D. 243389 (1977-02-01), Lyon
patent: 1881651 (1932-10-01), Judge
patent: 3209463 (1965-10-01), Schorr
patent: 5534952 (1996-07-01), Zanecchia et al.

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