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Official data from INPI

PROCESSO E MÁQUINA PARA O ENROLAMENTO.

ConcedidaInvention Patent

Application data

Number

PI8100582

Type

Invention Patent

Filing

02/02/1981

Publication

09/28/1982

Progress at the INPI

  1. Filing02/02/81
  2. Publication09/28/82
  3. Examination12/04/84
  4. Allowance10/27/87
  5. Grant06/28/88
  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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. N. (pessoa física)

SP, BR

Inventors

B. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

05/19/1987

RPI 865

Exigência - art. 36 da LPI

#6.1

08/05/1986

RPI 824

Exigência - art. 36 da LPI

#6.1

05/14/1985

RPI 760

Solicitação de exame técnico

#4.1

12/04/1984

RPI 737

Publicação do pedido de patente

#3.1

09/28/1982

RPI 623

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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