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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8004534

Type

Invention Patent

Filing

07/21/1980

Publication

04/06/1982

Progress at the INPI

  1. Filing07/21/80
  2. Publication04/06/82
  3. Examination06/22/82
  4. Allowance12/13/83
  5. Grant07/31/84
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Reubli Indústria e Comércio Ltda.

SP, BR

Inventors

M. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

06/22/1982

RPI 609

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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