Transom member for sliding doors
US4809000A · kind A · utility
2Cited by
2References
16Claims
0Family size
Inventor
Key dates
| Filing date | Jun 25, 1982 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Jun 25, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/132
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A transom member for a sliding door having an elongate support member and a cover member secured to the support member. The transom member has a cavity defined between the support member and cover member and sensing means for sensing approach of a person towards the transom member is housed in the cavity. The sensing means includes an energy detector for detecting energy from a person approaching the transom member, and the detector is positioned for receiving such energy through the cover member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.