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Official data from INPI

APERFEICOAMENTO EM DISPOSITIVO PARA ABATER GADO

Em AnáliseInvention Patent

Application data

Number

PI8205880

Type

Invention Patent

Filing

10/07/1982

Publication

05/15/1984

Progress at the INPI

  1. Filing10/07/82
  2. Publication05/15/84
  3. Examination09/18/84
  4. Allowance03/26/85
  5. Grant10/29/85
  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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WALSYWA MECANICA [BR]

Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Licença compulsória (variante)

#20.2

04/19/1988

RPI 913

20.5

04/19/1988

RPI 913

20.8

04/19/1988

RPI 913

14.7

04/14/1987

RPI 860

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

11/30/1982

RPI 632

Carta-patente expirada

#21.1

Patente extinta em 07/10/97

08/19/2008

RPI 1963

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