USD246979SExpiredUtility

Investment casting apparatus for jewelers

11
Individually held — no corporate assignee on recordPriority: May 17, 1976Filed: May 17, 1976Granted: Jan 17, 1978
Est. expiryMay 17, 1996(expired)· nominal 20-yr term from priority
Inventors:David V. Estes
11
PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an investment casting apparatus for jewelers, as shown and described.

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