Cap for writing instrument
US5941650A · kind A · utility
16Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1998 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Jan 15, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K23/124
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A cap for a writing instrument has a structure obtained such that a cap main body is formed by injection molding using a plastic material so as to have upper and lower open ends, and a cap head formed separately from the cap main body and integrally having a seal cylinder and clip is mounted on the upper open end of the cap main body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.