Envelope with 3-D image viewing features

Details Envelope with 3-D image viewing features Envelope with 3-D image viewing features

1995-07-12

1997-06-10

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

Envelope

Display

206 5, 229 681, 2291161, 359474, B65D 2704

Patent

active

056367821

ABSTRACT:
In accordance with the present invention, an envelope is provided that includes 3-D glasses delineated on at least one side of the envelope. The glasses are removable from the envelope and usable for viewing objects not readily visible without the use of the glasses, such as messages contained on the exterior of the envelope, or on paper matter contained within the envelope. In one embodiment of the present invention, perforations are provided along the outer edge of the glasses to allow for the removal of the glasses from the envelope without the use of a cutting device.

REFERENCES:
patent: 944385 (1909-12-01), Spiegel
patent: 1358436 (1920-11-01), Gray
patent: 2085414 (1937-06-01), Cavanagh
patent: 2283777 (1942-05-01), Wendling
patent: 2714448 (1955-08-01), Brown
patent: 3291300 (1966-12-01), Rosen
patent: 3370781 (1968-02-01), Sroge
patent: 3430761 (1969-03-01), Pelkey
patent: 4018515 (1977-04-01), Derkas
patent: 4648548 (1987-03-01), Shin
patent: 5156266 (1992-10-01), Sykora

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