Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device
Patent
1990-08-31
1992-06-30
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Changing exhibitor
Alphanumeric device
40446, 40449, 40470, 40471, G09F 1100
Patent
active
051251760
ABSTRACT:
A numeral display device having at least one visible face. Each segment of the device has a transparent outer pane and a spaced, parallel inner pane forming a pocket, a first portion of the pocket being aligned with and visible through an opening in the face. A flexible film is received in each pocket. A mechanism is provided to insert and withdraw each film from the first portion of each pocket so that each segment will either contrast with or match the face.
REFERENCES:
patent: 1782328 (1930-11-01), Wearham
patent: 2433456 (1947-12-01), Jansen
patent: 2439553 (1948-04-01), Winn
patent: 2489751 (1949-11-01), Chandler
patent: 2986982 (1961-06-01), Kaprelian
patent: 3200525 (1965-07-01), Francis
patent: 3273270 (1966-09-01), Skrobish
patent: 3521946 (1970-07-01), Wrench
patent: 3537197 (1970-11-01), Smith
patent: 3582907 (1971-06-01), Taylor
patent: 3764200 (1973-10-01), Glattli
patent: 3789525 (1974-02-01), Bugg
patent: 3814506 (1974-02-01), Bogg
patent: 4024532 (1977-05-01), Sherwin
patent: 4164824 (1968-08-01), Nidelkoff
patent: 4220948 (1980-09-01), Trame
patent: 4507888 (1985-04-01), Robinson et al.
patent: 4539768 (1985-09-01), Halliday
patent: 4627182 (1986-12-01), Weiss
patent: 4693025 (1987-09-01), Landin
patent: 4777747 (1988-10-01), Murray, Jr.
patent: 4796370 (1989-01-01), Chang
Dorner Kenneth J.
Jr. Milton Nelson
LandOfFree
Numeral display device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Numeral display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Numeral display device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1855000