Tamping pick for tamping railroad track ballast

Details Tamping pick for tamping railroad track ballast Tamping pick for tamping railroad track ballast

2003-08-06

2004-06-15

Baynham, Holly (Department: 2911)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0491431

CLAIM:
The ornamental design for a tamping pick for tamping railroad track ballast, as shown and described.

REFERENCES:
patent: D31973 (1899-12-01), Miller
patent: D243315 (1977-02-01), Smith
patent: 4537135 (1985-08-01), Theurer
patent: 4773333 (1988-09-01), Theurer
patent: 5127334 (1992-07-01), Theurer

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