Sewing machine
USD274528S · kind S · design
0Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1981 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Jul 3, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.