Title:
Adjustable box spring
United States Patent 3059249
Inventors:
Kamp, Ewald A.
Publication Date:
10/23/1962
Export Citation:
Click for automatic bibliography generation
Assignee:
ENGLANDER COMPANY INC
Primary Class:
5/246
Other Classes:
5/697, 5/716, 267/89
International Classes:
A47C27/06; A47C31/12
View Patent Images:
Download PDF 3059249        PDF help
US Patent References:
2985895Adjustable box springs
2804128Variable tension spring
2595072Adjustable resiliency bedspring
2558288Adjustable spring tensioning of bed springs
2445158Hospital bed
2327829Bed spring gauge
2302514Bedspring and the like
2107205Bed
Foreign References:
FR447794A