USD278326SExpiredUtility

Expansion chamber

70
Assignee: EQUI JOHN EPriority: Oct 11, 1983Filed: Oct 11, 1983Granted: Apr 9, 1985
Est. expiryOct 11, 2003(expired)· nominal 20-yr term from priority
Inventors:John E. Equi
70
PatentIndex Score
14
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an expansion chamber, as shown and described.

Join the waitlist — get patent alerts

Track USD278326S — get alerts on status changes and closely related new filings.

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