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Official data from INPI

BANCO DE ESTIRAGEM

PublicadaInvention Patent

Application data

Number

PI8703949

Type

Invention Patent

Filing

08/03/1987

Publication

04/05/1988

Progress at the INPI

  1. Filing08/03/87
  2. Publication04/05/88
  3. Examination11/13/90
  4. Allowance02/21/95
  5. Grant10/31/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Trutzschler GMBH & Co. KG

DE

Trutzschler GMBH & Co. Kommanditgesellschaft

DE

See this company's full portfolio

Inventors

W. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 26 733.2 · 08/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/05/1988

RPI 911

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 03/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

07/11/1995

RPI 1284

Deferimento

#9.1

02/21/1995

RPI 1264

Exigência - art. 36 da LPI

#6.1

03/22/1994

RPI 1216

14.1

04/27/1993

RPI 1169

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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