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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8204989

Type

Invention Patent

Filing

08/25/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/25/82
  2. Publication08/02/83
  3. Examination12/06/83
  4. Allowance10/23/84
  5. Grant04/30/85
  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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. S. (pessoa física)

JP

Inventors

A. I. (pessoa física)

JP

T. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

127438/81 · 08/28/1981

JP

57144/82 · 04/20/1982

JP

64916/82 · 04/19/1982

JP

76203/82 · 05/07/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

10/23/1984

RPI 731

Solicitação de exame técnico

#4.1

12/06/1983

RPI 685

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

Patente extinta em 25/08/97

07/01/2008

RPI 1956

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