The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 2020
Filed:
Sep. 10, 2018
Crane & Co., Inc., Boston, MA (US);
Manish Jain, Pittsfield, MA (US);
Giles D. Prett, Dalton, MA (US);
Crane & Co., Inc., Boston, MA (US);
Abstract
A watermark sheet made up of a substrate layer with opposing water and fiber surfaces, a pattern of at least two watermark indicia, and a set of apertures extending from the water surface toward the fiber surface of the substrate layer, is provided. The pattern of at least two watermark indicia is distributed over a continuous area of the fiber surface. The inventive watermark sheet provides watermarks of improved quality. Also provided is a watermark sleeve made up of a cylinder mold and the inventive watermark sheet wrapped around and affixed to an outer diametric surface of the cylinder mold. In addition, methods of manufacturing the watermark sheet, the watermark sleeve, a watermarked paper and a high security document are provided, as well as products resulting from these methods of manufacture.