USD283137SExpiredUtility
Combined calculator and protective case
Est. expiryJan 25, 2003(expired)· nominal 20-yr term from priority
Inventors:Christopher J. Hamar
66
PatentIndex Score
13
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined calculator and protective case, as shown and described.
Join the waitlist — get patent alerts
Track USD283137S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.