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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8009149

Type

Invention Patent

Filing

12/30/1980

Publication

09/08/1982

Progress at the INPI

  1. Filing12/30/80
  2. Publication09/08/82
  3. Examination09/18/84
  4. Allowance09/30/86
  5. Grant12/29/87
  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.

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Latest action published by the INPI: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arno S/A.

SP, BR

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

15.12

05/19/1987

RPI 865

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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