摘要 |
542,230. Battery lamps. RUNBAKEN, J. H. June 27, 1940, No. 10967. Drawings to Specification. [Class 39 (ii)] An electric torch or hand lamp comprises a lamp bulb, an accumulator, a transformer and a dry-contact rectifier, charging plugs and control switch, all within a casing constituting a selfcontained unit which when not used as a portable lamp can be plugged into the mains to recharge the accumulator. Specification 468,022 is referred to. Reference has been directed by the Comptroller to Specification 468,022. |