Valve system, particularly for cigarette lighter
US4008992A · kind A · utility
14Cited by
6References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1974 |
| Grant date | Feb 22, 1977 |
| Priority date | — |
| Expiry date | Nov 18, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23Q2/163
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A valve system particularly for cigarette lighters comprises a pressure control, escape or relief valve in association with a closure or blocking valve with a common fluid-flow obstructing means for the two valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.