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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8101435

Type

Invention Patent

Filing

03/11/1981

Publication

-

Progress at the INPI

  1. Filing03/11/81
  2. Publication
  3. Examination11/16/83
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Expired09/24/96

The letters patent expired on 09/24/1996: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

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Inventors

B. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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