Heart-shaped shoelace or drawstring fastener
USD308284S · kind S · design
30Cited by
18References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1988 |
| Grant date | Jun 5, 1990 |
| Priority date | — |
| Expiry date | Jun 5, 2004 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.