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Official data from INPI

CAÇAMBA DE FUNDIÇÃO, E, SÉRIE DE PLACAS DE REVESTIMENTO.

Em AnáliseInvention Patent

Application data

Number

PI8104202

Type

Invention Patent

Filing

07/01/1981

Publication

03/23/1982

Progress at the INPI

  1. Filing07/01/81
  2. Publication03/23/82
  3. Examination06/15/82
  4. Allowance02/08/89
  5. Grant10/30/90
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco Trading A.G.

CH

See this company's full portfolio

Inventors

B. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8021684 · 07/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

05/30/1989

RPI 971

Deferimento

#9.1

02/08/1989

RPI 955

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Conhecimento de parecer técnico

#7.1

08/14/1984

RPI 721

Pedido de certificado de adição de invenção

#5.1

12/14/1982

RPI 634

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Publicação do pedido de patente

#3.1

03/23/1982

RPI 596

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

20.4

06/21/1994

RPI 1229

Pedido de licença compulsória

#20.1

06/14/1994

RPI 1228

320

06/22/1993

RPI 1177

201

04/14/1992

RPI 1115

Pedido de licença voluntária

#17.1

12/03/1991

RPI 1096

Concessão da patente

#16.1

10/30/1990

RPI 1039

110

08/21/1990

RPI 1029

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