us3273495a - oil expeller - google patents

US3273495A - Oil expeller - Google Patents

MA SA KATSU OZA WA United States Patent 3,273,495 OIL EXPELLER . outlet 7 for the spent material after squeezing at the rear end of said cylindrical body. . A device as defined in claim 1, wherein the nonuniform section is in the form of

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inventors struggle to protect patents in africa | reuters

Inventors struggle to protect patents in Africa | Reuters

Not surprisingly, the patchy data available on African patent and trademark . were 351 international applications from South Africa filed through its Patent . Some countries such as Nigeria, Africas biggest economy and oil

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registration of patents - edited - uj

registration of patents - edited - Uj

WHAT IS REQUIRED FOR THE REGISTRATION OF A PATENT? From time . in practice by patent attorneys is a so-called “perpetual motion machine”. . However, no case law exists in South Africa and there is a need for clarity in this regard.

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south african pharma firms accused of planning to delay patents law

South African pharma firms accused of planning to delay patents law

Jan 17, 2014 . Patents on new medicines may be bypassed in South Africa if changes to intellectual property law go ahead. Photograph: Krista Kennell/ZUMA/

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cipc :: patents

CIPC :: Patents

In terms of the South African Patents Act, individuals may file their own . i.e. when it is used to operate a specific device or machine such as a winder, a crane or

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how to register a patent | patent attorneys south africa

How to Register a Patent | Patent Attorneys South Africa

To register a patent for your invention there are a 3 basic requirements that an invention . The South African Patent Office will check to see if all the necessary forms, . Machines can be mechanical devices or various devices together with a

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