USD246938SExpiredUtility
Back pack frame
Est. expiryJun 16, 1996(expired)· nominal 20-yr term from priority
Inventors:Tom Marquart
36
PatentIndex Score
2
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a back pack frame, substantially as shown.
Join the waitlist — get patent alerts
Track USD246938S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.