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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8201362

Type

Invention Patent

Filing

03/12/1982

Publication

01/25/1983

Progress at the INPI

  1. Filing03/12/82
  2. Publication01/25/83
  3. Examination02/05/85
  4. Allowance06/17/86
  5. Grant12/30/86
  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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tetra Holdings & Finance

CH

Inventors

H. P. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Publicação do pedido de patente

#3.1

01/25/1983

RPI 640

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

Patente extinta em 12/03/97

07/01/2008

RPI 1956

20.11

07/31/1990

RPI 1026

20.4

05/29/1990

RPI 1020

20.4

05/22/1990

RPI 1019

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