Marking instrument
US6176633A · kind A · utility
2Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1999 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Oct 28, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K5/145
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A marking insturment having a fluid reservoir (1) and an application tip. A valve (7, 12, 18) controls flow of fluid from the reservoir (1) to the tip. A transfer chamber (21) is located between the reservoir and tip and is assocaited with the reserovir housing (1) in said manner as to be reduceable in volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.