USD314844SExpiredUtility

Respirator's blower-filter unit

75
Assignee: SHALON CHEMICAL IND LTDPriority: Feb 8, 1988Filed: Jul 13, 1988Granted: Feb 19, 1991
Est. expiryFeb 8, 2008(expired)· nominal 20-yr term from priority
Inventors:Ram Baharad
75
PatentIndex Score
20
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a respirator's blower-filter unit, as shown and described.

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