USD316868SExpiredUtility

Slide calculator

31
Assignee: SCHWANS SALES ENTPR INCPriority: Mar 31, 1989Filed: Mar 31, 1989Granted: May 14, 1991
Est. expiryMar 31, 2009(expired)· nominal 20-yr term from priority
Inventors:Craig E. Johnson
31
PatentIndex Score
1
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for slide calculator, as shown and described.

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