Folding pet ramp and steps
US7621236B2 · kind B2 · utility
34Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2007 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Feb 11, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C1/387
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A folding pet ramp and step apparatus is described. The apparatus includes a frame supporting an upper platform member and a lower platform member. The lower platform member has a lower riser and a lower runner. The upper platform member has an upper riser and an upper runner which are movable between a ramp mode and a step mode. The upper riser fixedly supports the upper runner against the frame when in the step mode, and is moveable from the fixedly supported position to permit the upper runner to move to the ramp mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.