USD455159SExpiredUtility
Refrigeration system
Est. expiryAug 22, 2020(expired)· nominal 20-yr term from priority
Inventors:Tai Choi
42
PatentIndex Score
6
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a refrigeration system, as described and shown in FIGS. 1 through 4, inclusive.
Join the waitlist — get patent alerts
Track USD455159S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.