Plastics bags production
UST966002I4 · kind I4 · defensive publication
2Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1977 |
| Grant date | Jan 3, 1978 |
| Priority date | — |
| Expiry date | Mar 18, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.