Disposable marker and adapter for pen-driven integrator
US4854762A · kind A · utility
2Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 14, 1987 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Jan 14, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K23/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A disposable marker and adapter for use in an integrator pen. The forward end of the marker fits within the adapter and a nib holder, projecting from the front of the marker, is threadedly retained therein. The rear end of the adapter is adapted to be frictionally retained within a conventional integrator pen body holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.