Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Empresa Nacional de Optica SA
Original Assignee
Empresa Nacional de Optica SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Empresa Nacional de Optica SAfiledCriticalEmpresa Nacional de Optica SA
Priority to ES1972175954UpriorityCriticalpatent/ES175954Y/en
Publication of ES175954UpublicationCriticalpatent/ES175954U/en
Application grantedgrantedCritical
Publication of ES175954YpublicationCriticalpatent/ES175954Y/en
Filter for aquarium, characterized by being constituted by an elongated container, with a curved bottom, which through two perforated partitions has divided its capacity between compartments, the central being much larger than the other two that are equal, these three compartments are filled with filtering material, for example, wool or fiberglass at the ends and active carbon at the center. In one of the smaller ones there is a chimney for the tube that pumps the water from the aquarium and for the air tube of the pump, and in the other one there is another chimney. Similar to the heater-thermostat, as well as a regulating key of the leakage of the filtered water. (Machine-translation by Google Translate, not legally binding)
ES1972175954U1972-01-071972-01-07
FILTER FOR AQUARIUM.
ExpiredES175954Y
(en)
Improvements in the construction of storage appliances for granular or pulverulent material. (Machine-translation by Google Translate, not legally binding)