Collapsible hat with spring
US7310828B2 · kind B2 · utility
1Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 20, 2004 |
| Grant date | Dec 25, 2007 |
| Priority date | — |
| Expiry date | Oct 20, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B1/201
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A collapsible hat, comprising a crown formed of a flexible or bendable material, with inner and outer portions, a brim attached to the inner portion of the crown, a spring connected between the inner and outer portions of the crown for holding the crown in an upright or open state, the spring being collapsible so that the crown can be flattened against the brim for collapsing the hat into a flattened state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.