USD428658SExpiredUtility

Manhole cover

55
Assignee: MORRISON BROS COMPANYPriority: Oct 6, 1999Filed: Oct 6, 1999Granted: Jul 25, 2000
Est. expiryOct 6, 2019(expired)· nominal 20-yr term from priority
Inventors:Charles D. GlabMichael D. LattnerAdam J. Koehler
55
PatentIndex Score
10
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a manhole cover, substantially as shown and described.

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