Expresso coffee maker
First Claim
1. An improved expresso coffee maker comprising an interlocking assembly of four components, the first of said components being an upper brewed coffee holder, the second of said components being a lower water heating container, the third of said components being a coffee grounds holder located between said upper brewed coffee holder and said lower water heating container, the fourth component being a piston, said piston being located within said coffee grounds holder to form a coffee brewing assembly, the external dimensions of said piston closely complying with the internal dimensions of said coffee grounds holder, said coffee brewing assembly having a hollow stem which extends from its base;
- said improved expresso coffee maker being formed by threadably assembling said upper brewed coffee holder, said coffee brewing assembly and said lower water heating container to effect an hermetic seal between said components.
5 Assignments
0 Petitions
Accused Products
Abstract
An improved expresso coffee maker comprising an upper cylindrical container 2 threadably engaged onto a lower truncated-cone container 1, said lower container having a coffee basket assembly 3 in which a cylindrical coffee holder 4 is centered with a piston 5 sliding inside, said piston has apertures 6 to allow passage of water and steam and to create differential pressure above and below the piston, which forces the piston to compress the coffee grounds during the brewing process. The water extract of the coffee grounds passes through inverted funnel 15 and it is collected into the upper cylindrical container.
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Citations
6 Claims
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1. An improved expresso coffee maker comprising an interlocking assembly of four components, the first of said components being an upper brewed coffee holder, the second of said components being a lower water heating container, the third of said components being a coffee grounds holder located between said upper brewed coffee holder and said lower water heating container, the fourth component being a piston, said piston being located within said coffee grounds holder to form a coffee brewing assembly, the external dimensions of said piston closely complying with the internal dimensions of said coffee grounds holder, said coffee brewing assembly having a hollow stem which extends from its base;
- said improved expresso coffee maker being formed by threadably assembling said upper brewed coffee holder, said coffee brewing assembly and said lower water heating container to effect an hermetic seal between said components.
- View Dependent Claims (2, 3, 4, 5, 6)
Specification