USD303974SExpiredUtility

Power roller element

81
Individually held — no corporate assignee on recordPriority: May 1, 1986Filed: May 1, 1986Granted: Oct 10, 1989
Est. expiryMay 1, 2006(expired)· nominal 20-yr term from priority
Inventors:Craig C. Karr
81
PatentIndex Score
32
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a power roller element, as shown and described.

Join the waitlist — get patent alerts

Track USD303974S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.