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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8008341

Type

Invention Patent

Filing

12/19/1980

Publication

08/03/1982

Progress at the INPI

  1. Filing12/19/80
  2. Publication08/03/82
  3. Examination09/04/84
  4. Allowance03/10/87
  5. Grant08/25/87
  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.

Talk to a specialist

Latest action published by the INPI: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SFS Stadler Heerbrugg AG.

CH

Inventors

R. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/12/1987

RPI 864

100

03/10/1987

RPI 855

Deferimento

#9.1

05/27/1986

RPI 814

Petição de recurso

#12.2

03/25/1986

RPI 805

8.1

08/06/1985

RPI 772

Indeferimento

#9.2

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

09/04/1984

RPI 724

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

20.4

10/20/1992

RPI 1142

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