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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES0076230UpriorityCriticalpatent/ES76230Y/en
Publication of ES76230UpublicationCriticalpatent/ES76230U/en
Application grantedgrantedCritical
Publication of ES76230YpublicationCriticalpatent/ES76230Y/en
Improved valve, characterized by being constituted by a tubular body provided internally with a frusto-conical seat against which the head correspondingly of a moving body is applied, the valve itself, under the action of a helical spring whose ends they rest, respectively, on a protrusion provided peripherally on said movable body and on a ridge in the corresponding mouth of the tubular body, the latter body being provided on its external surface with a plurality of peripheral ribs spaced apart longitudinally. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of stylographic feathers with a disposable hollow embolish in the rear end of the handle (Machine-translation by Google Translate, not legally binding)