USD267287SExpiredUtility

Pneumatic liner for protective headgear

Assignee: UNIV MICHIGAN REGENTSPriority: Sep 11, 1980Filed: Sep 11, 1980Granted: Dec 21, 1982

Est. expirySep 11, 2000(expired)· nominal 20-yr term from priority

PatentIndex Score

157

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References

Claims

exact text as granted — not AI-modified

The ornamental design for a pneumatic liner for protective headgear, as shown and described.

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