USD451107SExpiredUtility
Freezing machine for a refrigerator car
Est. expiryDec 21, 2020(expired)· nominal 20-yr term from priority
Inventors:Kaichi Tsuji
57
PatentIndex Score
10
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a freezing machine for a refrigerator car, as shown and described.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.