USD253171SExpiredUtility

Insulator for electric heating elements

Assignee: EMERSON ELECTRIC COPriority: May 16, 1977Filed: May 16, 1977Granted: Oct 16, 1979
Est. expiryMay 16, 1997(expired)· nominal 20-yr term from priority
43
PatentIndex Score
4
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an insulator for electric heating elements, substantially as shown and described.

Join the waitlist — get patent alerts

Track USD253171S — get alerts on status changes and closely related new filings.

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