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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8105435

Type

Invention Patent

Filing

08/26/1981

Publication

05/11/1982

Progress at the INPI

  1. Filing08/26/81
  2. Publication05/11/82
  3. Examination07/10/84
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRUETZSCHLER & CO

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Inventors

H. F. (pessoa física)

M. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

05/11/1982

RPI 603

Carta-patente expirada

#21.1

Patente extinta em 26/08/96

08/19/2008

RPI 1963

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