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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8103396

Type

Invention Patent

Filing

05/29/1981

Publication

02/24/1982

Progress at the INPI

  1. Filing05/29/81
  2. Publication02/24/82
  3. Examination02/21/84
  4. Allowance06/11/85
  5. Grant10/29/85
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. B. (pessoa física)

FR

Inventors

B. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

09/24/1985

RPI 779

Deferimento

#9.1

06/11/1985

RPI 764

8.1

04/23/1985

RPI 757

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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