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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8102989

Type

Invention Patent

Filing

05/14/1981

Publication

02/02/1982

Progress at the INPI

  1. Filing05/14/81
  2. Publication02/02/82
  3. Examination03/27/84
  4. Allowance09/10/85
  5. Grant04/29/86
  6. Expired10/01/96

The letters patent expired on 10/01/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson.

US

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Inventors

K. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Conhecimento de parecer técnico

#7.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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