Clipboard with dual clamping members

Details Clipboard with dual clamping members Clipboard with dual clamping members

2006-11-21

2006-11-21

Brittain, James R. (Department: 3677)

Buckles, buttons, clasps, etc.

Paper fastener

Resiliently biased

C024S502000

Reexamination Certificate

active

07137175

ABSTRACT:
A clipboard comprising a pair of clamping members arranged substantially parallel one above the other and connected to each other via an intermediate connecting member having a spring loaded hinge connection at each of its elongated ends for securely clamping articles, such as paper sheets, between one of the two clamping members and a board. The lower clamping member is used to hold an existing bundle of paper sheets on the board while disengaging the upper clamping member to add extra paper sheets to said existing bundle of paper sheets. The clamping members are positioned substantially parallel to each other and the lower clamping member extends through a slot formed at the center of a back portion of the first clamping member.

REFERENCES:
patent: 42683 (1864-05-01), Osborne
patent: 346839 (1886-08-01), Butts
patent: 367274 (1887-07-01), Daniels et al.
patent: 457771 (1891-08-01), Clopton
patent: 590175 (1897-09-01), Trussell
patent: 590273 (1897-09-01), McPhee
patent: 802569 (1905-10-01), Johnson
patent: 1318598 (1919-10-01), Rutherford
patent: 1766072 (1930-06-01), Hansen
patent: 1828417 (1931-10-01), Keleher
patent: 6250249 (2001-06-01), Yang
patent: 2001-30672 (2001-02-01), None

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