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Official data from INPI

PROCESSO PARA PRODUÇÃO DE UM CORPO CILÍNDRICO, O REFERIDO CORPO CILÍNDRICO E TUBO DE FERRO

IndeferidaInvention Patent

Application data

Number

PI9101665

Type

Invention Patent

Filing

04/25/1991

Publication

12/10/1991

Progress at the INPI

Under appeal
  1. Filing04/25/91
  2. Publication12/10/91
  3. Examination06/02/92
  4. Refused02/08/00
  5. Grant
  6. In force

The application was refused by the INPI on 02/08/2000. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/08/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amsted Industries Incorporated

US

See this company's full portfolio

Inventors

T. U. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/516,358 · 04/30/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido o pedido baseado no Artigo 8º da LPI 9.279 de 14/05/96.

02/08/2000

RPI 1518

Conhecimento de parecer técnico

#7.1

03/16/1999

RPI 1471

Solicitação de exame técnico

#4.1

06/02/1992

RPI 1122

Publicação do pedido de patente

#3.1

12/10/1991

RPI 1097

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