Handcuffs
US4697441A · kind A · utility
25Cited by
11References
4Claims
0Family size
Inventor
Key dates
| Filing date | Nov 6, 1986 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Nov 6, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/409
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pair of wrist shackles or handcuffs in which one handcuff is joined to a second handcuff by a single pivot member that permits one handcuff to pivot or rotate in a planar direction to overlay the other handcuff.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.