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Official data from INPI

PROCESSO DE FUNDIÇÃO EM MATRIZ SOB PRESSÃO

ConcedidaInvention Patent

Application data

Number

PI8303740

Type

Invention Patent

Filing

07/13/1983

Publication

02/21/1984

Progress at the INPI

  1. Filing07/13/83
  2. Publication02/21/84
  3. Examination05/20/86
  4. Allowance02/28/89
  5. Grant09/26/89
  6. Terminated05/02/95

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institute po Metaloznanie I Technologia Na Metalite

BG

Inventors

I. N. (pessoa física)

BG

Technical data

IPC Classification

Priority claims

BG

57 405 · 07/14/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Republicação - classificação IPC

#15.11

05/02/1989

RPI 967

Deferimento

#9.1

02/28/1989

RPI 958

Exigência - art. 36 da LPI

#6.1

09/20/1988

RPI 935

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

02/21/1984

RPI 696

Pedido de patente depositado

#2.1

09/20/1983

RPI 674

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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