Clipboard

Details Clipboard Clipboard

1981-07-16

1985-02-26

Thomas, Alexander S.

Books, strips, and leaves

Book or leaf holder

248451, 248452, 24 6711, 211 45, 211 50, 428 77, 428 81, 428141, 428192, B32B 306

Patent

active

045014388

ABSTRACT:
A flat and generally rectangular clipboard is provided with a pair of integral L-shaped spring members that are normally coplanar with the remainder of the board but may be flexed into raised and tensioned positions to hold sheet materials upon the top surface of the board.

REFERENCES:
patent: 818130 (1906-04-01), Swan

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