Self-locking nylon post
US4415289A · kind A · utility
1Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1981 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | Oct 5, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42F13/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An improved loose leaf binder more particularly a binding post having a head of novel design. The novel head design facilitates the locking of binding post securely in the binder and the unlocking for removal from the binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.