USD274256SExpiredUtility

End cap for heat exchangers

Assignee: LANGE DAVIDPriority: Nov 5, 1980Filed: Nov 5, 1980Granted: Jun 12, 1984

Est. expiryNov 5, 2000(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a end cap for heat exchangers, as shown and described.

Join the waitlist — get patent alerts

Track USD274256S — get alerts on status changes and closely related new filings.

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