USD249046SExpiredUtility

Portable instructional flight aid device

37
Assignee: BOWMAN JR WILLIAM KPriority: Jan 10, 1977Filed: Jan 10, 1977Granted: Aug 22, 1978
Est. expiryJan 10, 1997(expired)· nominal 20-yr term from priority
Inventors:William Bowman
37
PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable instructional flight aid device, substantially as shown and described.

Join the waitlist — get patent alerts

Track USD249046S — get alerts on status changes and closely related new filings.

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