Latching apparatus for double doors
US5382060A · kind A · utility
34Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1993 |
| Grant date | Jan 17, 1995 |
| Priority date | — |
| Expiry date | Jan 11, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/57
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Latching apparatus for first and second adjacent swinging doors prevents locking of the first door unless the second door is latched and prevents unlatching of the second door unless the first door is open.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.