USD557621SExpiredUtility
Electronic time attendance clock
Est. expiryMay 24, 2026(expired)· nominal 20-yr term from priority
31
PatentIndex Score
3
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an electronic time attendance clock, as shown.Join the waitlist — get patent alerts
Track USD557621S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.