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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8202765

Type

Invention Patent

Filing

05/13/1982

Publication

04/19/1983

Progress at the INPI

  1. Filing05/13/82
  2. Publication04/19/83
  3. Examination07/02/85
  4. Allowance04/22/86
  5. Grant11/25/86
  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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

JP

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Inventors

K. N. (pessoa física)

JP

T. T. (pessoa física)

JP

Y. M. (pessoa física)

JP

Technical data

Priority claims

JP

72461/81 · 05/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Solicitação de exame técnico

#4.1

07/02/1985

RPI 767

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

Patente extinta em 13/05/97

07/01/2008

RPI 1956

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