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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8009069

Type

Invention Patent

Filing

12/30/1980

Publication

04/13/1982

Progress at the INPI

  1. Filing12/30/80
  2. Publication04/13/82
  3. Examination07/27/82
  4. Allowance08/02/83
  5. Grant02/28/84
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 06/17/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. B. (pessoa física)

SP, BR

Inventors

B. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

320

06/17/1986

RPI 817

300

01/28/1986

RPI 797

201

09/10/1985

RPI 777

Pedido de licença voluntária

#17.1

04/09/1985

RPI 755

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/22/1983

RPI 683

Deferimento

#9.1

08/02/1983

RPI 667

Solicitação de exame técnico

#4.1

07/27/1982

RPI 614

Publicação antecipada

#3.2

04/13/1982

RPI 599

Pedido de patente depositado

#2.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

Cessão de direito de exploração

#22.1

02/01/1994

RPI 1209

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