USD341889SExpiredUtility

Respirator having line of sight illumination

4
Individually held — no corporate assignee on recordPriority: Sep 23, 1991Filed: Sep 23, 1991Granted: Nov 30, 1993
Est. expirySep 23, 2011(expired)· nominal 20-yr term from priority
Inventors:Kelly A. Viken
4
PatentIndex Score
0
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a respirator having line of sight illumination, as shown and described.

Join the waitlist — get patent alerts

Track USD341889S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.