Kit for retrofitting manually operated electric garage door to operate automatically
US6075333A · kind A · utility
21Cited by
3References
6Claims
0Family size
Inventor
Key dates
| Filing date | Dec 12, 1997 |
| Grant date | Jun 13, 2000 |
| Priority date | — |
| Expiry date | Dec 12, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/6836
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus for retrofitting a manually operated commercial garage door opener to function automatically.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.