Paper including watermarks and/or embossing

Details Paper including watermarks and/or embossing Paper including watermarks and/or embossing

2008-07-15

2008-07-15

Loney, Donald (Department: 1794)

Stock material or miscellaneous articles

Perimeter or corner structure of sheet

Paper sheet

C428S169000, C428S192000, C428S212000, C283S113000, C162S110000, C162S140000

Reexamination Certificate

active

10496686

ABSTRACT:
The invention relates to improvements in paper, and in particular to the use of watermarks and/or embossings for strengthening paper sheets and documents made therefrom. The invention therefore provides a sheet of paper having at least three corners and three sides joined at said corners, wherein corner reinforcing watermarks are provided at each of said corners. Alternatively, or in addition, corner reinforcing embossings are provided at each of said corners.

REFERENCES:
patent: 1281951 (1918-10-01), Harper
patent: 1506144 (1924-08-01), Weeks
patent: 4135024 (1979-01-01), Callahan et al.
patent: 4462867 (1984-07-01), Fuller
patent: 4504357 (1985-03-01), Holbein et al.
patent: 4506915 (1985-03-01), Haghiri-Tehrani et al.
patent: 4601692 (1986-07-01), Rausing et al.
patent: 4715623 (1987-12-01), Roule et al.
patent: 4943093 (1990-07-01), Melling et al.
patent: 5871615 (1999-02-01), Harris
patent: 6174586 (2001-01-01), Peterson
patent: 6296281 (2001-10-01), Stone
patent: 6368455 (2002-04-01), Missell et al.
patent: 2270931 (1994-03-01), None
Webster's II New Riverside University Dictionary, 1984, p. 1304.

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