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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8305236

Type

Invention Patent

Filing

09/23/1983

Publication

05/02/1984

Progress at the INPI

  1. Filing09/23/83
  2. Publication05/02/84
  3. Examination08/05/86
  4. Allowance02/09/88
  5. Grant07/26/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Deferimento

#9.1

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

05/02/1984

RPI 706

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

Patente extinta em 23/09/98

07/01/2008

RPI 1956

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