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Publication numberUS276314 A
Publication typeGrant
Publication dateApr 24, 1883
Filing dateNov 9, 1882
Publication numberUS 276314 A, US 276314A, US-A-276314, US276314 A, US276314A
InventorsMontgomeby H. Watson
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US 276314 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)




SPEGIFIGATION forming' part of Letters Patent No. 276,314, dated April 24, 1883,

Application filed November 9, 1882.

To all whom it may concern Be it known that I, MONTGOMERY H. WAT- SON, a citizen of the United States, residing at Dayton, in the county of Montgomery and State of Ohio, have invented a certain new and useful Improvement in Envelopes; and .I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which. form a part of this specification.

My invention relates to improvements in envelopes known as the bellows envelope, used for filing legal and other papers; and it consists of like. top and bottom pieces of paper having rims or 'flaps on three sides, which are united by a textile or other suitable fabric which is glued or pasted to said flaps, thus forming an envelope whose top and bottom sides may be in contact,'and expanding with the proportions of the contents. h

The construction of the envelope is illustrated by the accompanying drawings, in whichi i I Figure lis an oblique view of the improved envelope. Fig. 2 is the form of thetop and bottom sheet or blank of the same. Fig. 3 is an enlarged transverse sectionof the same.

Similar letters refer to similar parts th roughout the several views.


B represents the blank as it is cut out of suitable paper, Fig. 2, and has a semicircular notch in the right end, and the corners at the left end are clipped, and the edges are creased for folding, as indicated by dotted lines at D. Two blanks are placed on a quadrangular block, the edges are bent down upon the same, and the muslin strip (3 is glued on pasted onto these edges or flaps T. The strip may be of any textile or other suitable material, and is made to adhere to the flaps on three sides of the envelope. For purposes of commerce, the top and bottom are pressed snugly down on the flexible sides, and in usethey expand with the proportions of their contents.

tllaving fully explained my invention. what I cla m, and desire to secure by Letters Patent, 1s-- "An envelope formed of two identical blank-s having folded sideand end portions, T, united by a suitable flexible strip, 0, substantially as shown and described.

In testimony that I claim the foreging as my own I atfix my signature in presence of two witnesses.




Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2633286 *Mar 7, 1950Mar 31, 1953Bemis Bro Bag CoCover and its manufacture
US2653751 *Jan 14, 1949Sep 29, 1953Vogt Clarence WChain of bags
US3074617 *Mar 17, 1958Jan 22, 1963Bemis Bro Bag CoContainer structure and method
Cooperative ClassificationB65D31/02