Snap-out envelopes
United States Patent 2983525
US Patent References:
/0479555.html
- - 0479555

/1292264.html
- - 1292264

Envelope
- - 1446669

Pay envelope
- - 1449282

/1177886.html
- - 1177886


Inventors:
Dave, Mercur
Publication Date:
05/09/1961
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Assignee:
Dave, Mercur
Primary Class:
462/65
International Classes:
B41L1/22; B41L1/00
US Patent References:
2196461Dry-sealing envelope
2201538Envelope
2588813Motion-picture machine with electrically operated shutter and film operator