Defensive writing instrument
US9428002B2 · kind B2 · utility
2Cited by
11References
15Claims
0Family size
Inventor
Key dates
| Filing date | Jul 9, 2015 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Jul 9, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K29/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A writing instrument includes a glass break on the end opposite the writing tip. The body of the writing instruments may include circumferential ridges or channels. Some examples of the writing instrument may include a cover removably secured over the glass break, possibly with a key ring attached. A light source or laser pointer may also be included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.