USD304505SExpiredUtility

Underwater pool cleaning apparatus

87
Assignee: AQUANAUT INCPriority: Oct 2, 1986Filed: Oct 2, 1986Granted: Nov 7, 1989
Est. expiryOct 2, 2006(expired)· nominal 20-yr term from priority
Inventors:Robert W. MaierCharles J. PattersonDeiter RiefJohn Leavitt GardHerman E. Frentzel
87
PatentIndex Score
50
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an underwater pool cleaning apparatus, as shown and described.

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