USD340317SExpiredUtility

Respiratory protection mask

Assignee: COLE HARRYPriority: Jun 6, 1991Filed: Jun 6, 1991Granted: Oct 12, 1993

Est. expiryJun 6, 2011(expired)· nominal 20-yr term from priority

PatentIndex Score

116

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a respiratory protection mask, as shown and described.

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