USD254010SExpiredUtility
Film cassette viewer
Assignee: QUALIDUX INDUSTRIAL COMPANY LTDPriority: Jul 18, 1977Filed: Oct 31, 1977Granted: Jan 22, 1980
Est. expiryJul 18, 1997(expired)· nominal 20-yr term from priority
Inventors:Ernst Elsner
46
PatentIndex Score
3
Cited by
0
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a film cassette viewer, as shown.
Join the waitlist — get patent alerts
Track USD254010S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.