Title:
Moisture-sensitive paper and the manufacture thereof
United States Patent 2445586
Inventors:
Simons, Francis L.
Publication Date:
07/20/1948
Export Citation:
Click for automatic bibliography generation
Assignee:
GEORGE LA MONTE & SON
Primary Class:
503/202
Other Classes:
101/DIG.29, 106/150.1, 427/1, 427/7, 428/478.8, 428/913, 428/916, 503/205, 503/224
International Classes:
A61B5/117; D21H21/46; G01N31/22; A61B5/117; D21H21/40; G01N31/22
View Patent Images:
Download PDF 2445586        PDF help
US Patent References:
2250980Indicator package for cements and the like
2249867Dampness detecting and indicating device
2214354Dampness detecting and indicating device
1866545Game device
0967793N/A
0643084N/A