Removable battery system and method
US8371358B1 · kind B1 · utility
51Cited by
20References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2008 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Sep 9, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a window covering system with a shade roll, a removable battery pack system includes a battery tube conformed to fit within a shade roll with a hollow interior where the battery tube is electrically connected with the shade roll but, preferably, does not rotate with the shade roll.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.