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Official data from INPI

DISPOSITIVO DE DISTRIBUIÇÃO

ConcedidaInvention Patent

Application data

Number

PI8205342

Type

Invention Patent

Filing

09/13/1982

Publication

08/23/1983

Progress at the INPI

  1. Filing09/13/82
  2. Publication08/23/83
  3. Examination11/12/85
  4. Allowance10/04/88
  5. Grant05/30/89
  6. Terminated04/02/96

The patent was granted on 05/30/1989 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Merck & Co., Inc.

US

See this company's full portfolio

Inventors

R. R. (pessoa física)

US

W. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

301,671 · 09/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/30/1989

RPI 971

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Exigência - art. 36 da LPI

#6.1

06/21/1988

RPI 922

Conhecimento de parecer técnico

#7.1

11/10/1987

RPI 890

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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