USD243613SExpiredUtility

Retaining wall stringer

48
Assignee: HILFIKER PIPE COPriority: Feb 6, 1976Filed: Feb 6, 1976Granted: Mar 8, 1977
Est. expiryFeb 6, 1996(expired)· nominal 20-yr term from priority
Inventors:William K. Hilfiker
48
PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a retaining wall stringer, as shown.

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