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Official data from INPI

APERFEIÇOAMENTO EM VÁLVULAS DE DRENO DE LINHAS DE ALTA PRESSÃO

DeferidaInvention Patent

Application data

Number

PI8406518

Type

Invention Patent

Filing

12/18/1984

Publication

07/01/1986

Progress at the INPI

  1. Filing12/18/84
  2. Publication07/01/86
  3. Examination01/24/89
  4. Allowance11/07/89
  5. Abandoned
  6. In force

The application was allowed on 11/07/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)

MG, BR

See this company's full portfolio

Inventors

J. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/07/1989

RPI 994

Solicitação de exame técnico

#4.1

01/24/1989

RPI 953

Solicitação de exame não realizada

#4.2

08/09/1988

RPI 929

Retificação

#15.6

01/12/1988

RPI 899

Retificação

#15.3

09/15/1987

RPI 882

Publicação do pedido de patente

#3.1

07/01/1986

RPI 819

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1991

RPI 1084

15.7

10/23/1990

RPI 1038

Notificação para pagamento de retribuição

#13.1

03/13/1990

RPI 1009

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