Mattress foundation
US4012802A · kind A · utility
8Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1975 |
| Grant date | Mar 22, 1977 |
| Priority date | — |
| Expiry date | Nov 28, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C23/30
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A foundation in the nature of a bedspring for use beneath a mattress to support the same upon a bedframe or the like, having a base frame with wire columns thereon supporting a stable, elevated platform which is substantially unyielding in its central area under the loads normally imposed upon a bedspring and which, at least in its side edge areas, is resiliently yieldable in response to vertical load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.