Tamper-evident closure
USD318804S · kind S · design
72Cited by
11References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1987 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Aug 6, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.