The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 1987
Filed:
Dec. 13, 1985
Gerhard Wittlinger, Geislingen/Steige, DE;
Abstract
Described is a coffee percolator of the type having a scalding chamber and a coffee filter, a wall of said coffee filter substantially closing said scalding chamber at its lower portion. The wall extends from an upper peripheral rim in a conical configuration with an angle of about 8.degree. to 35.degree. to the horizontal towards a substantially centrally located outlet and comprises a support sieve and a sheet of stainless steel disposed on the upper side of the support sieve facing towards the scalding chamber. The sheet has a thickness of about 20 to 80 .mu.m and is provided with a pattern of etched micro-perforations having a diameter of about 30 to 100 .mu.m at the surface facing towards the scalding chamber. The support sieve has a thickness of about 0.5 to 3 mm and is formed with a pattern of holes having a diameter of about 1 to 5 mm.