Method of making a bird repellant structure and blank for use therein
US4997721A · kind A · utility
7Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1990 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Jul 18, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12368
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved blank base and method of making a bird repellant structure. The method comprises forming slots into a continuous base strip for the formation of repellant members. Said repellant members have a single forward diagonal edge for the simple cutting of repellant barbs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.