USD277487SExpiredUtility
Worm gear
Est. expiryJun 18, 2002(expired)· nominal 20-yr term from priority
Inventors:Sven W. Nilsson
46
PatentIndex Score
4
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a worm gear, substantially as shown and described.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.