USD553677SExpiredUtility
Chalk stamper
Est. expiryFeb 15, 2026(expired)· nominal 20-yr term from priority
Inventors:Paul Snyder
32
PatentIndex Score
2
Cited by
19
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a chalk stamper, as shown and described.Join the waitlist — get patent alerts
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