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Official data from INPI

PROCESSO DE OBTENÇÃO DE UM TIREFÃO FUNDIDO.

Em AnáliseInvention Patent
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Application data

Number

PI8108339

Type

Invention Patent

Filing

12/22/1981

Publication

09/20/1983
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Progress at the INPI

  1. Filing12/22/81
  2. Publication09/20/83
  3. Examination06/12/84
  4. Allowance02/04/86
  5. Grant08/26/86
  6. Terminated09/25/90

The patent was granted on 08/26/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundição Tupy S.A.

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Inventors

M. L. (pessoa física)

S. L. (pessoa física)

Technical data

IPC Classification

B22C 9/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

02/09/1988

RPI 903

Pedido de licença compulsória

#20.1

01/26/1988

RPI 901

20.4

01/19/1988

RPI 900

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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