Slide chart with slide-stop flaps

Details Slide chart with slide-stop flaps Slide chart with slide-stop flaps

1999-04-09

2000-10-10

Fridie, Jr., Willmon

Printed matter

With sliding leaf

283 661, 283115, 235 70R, 493325, 493355, B42D 1500

Patent

active

061293881

ABSTRACT:
A slide chart in which the sleeve and the slide have mutually engaging flaps which click past one another upon insertion of the slide into the sleeve but engage to prevent withdrawal of the slide from the sleeve.

REFERENCES:
patent: 4262939 (1981-04-01), Schoettle, Jr.
patent: 4520749 (1985-06-01), Jefferson
patent: 4913694 (1990-04-01), Alphenaar et al.
patent: 5454599 (1995-10-01), Totz et al.
patent: 5458377 (1995-10-01), Utz et al.

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