USD325619SExpiredUtility

Shell encased pool chemical tablet

75
Assignee: OLIN CORPPriority: Feb 27, 1989Filed: Feb 27, 1989Granted: Apr 21, 1992
Est. expiryFeb 27, 2009(expired)· nominal 20-yr term from priority
Inventors:John M. Casberg
75
PatentIndex Score
15
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a shell encased pool chemical tablet, as shown and described.

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