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Official data from INPI

CAVILHA

ConcedidaInvention Patent

Application data

Number

PI8502630

Type

Invention Patent

Filing

05/31/1985

Publication

02/04/1986

Progress at the INPI

  1. Filing05/31/85
  2. Publication02/04/86
  3. Examination07/15/86
  4. Allowance08/23/88
  5. Grant09/26/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fischer-Werke Artur Fischer GMBH & CO. KG.

DE

See this company's full portfolio

Inventors

D. F. (pessoa física)

DE

D. O. (pessoa física)

DE

M. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 20 375.3 · 06/01/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

14.1

06/16/1987

RPI 869

Solicitação de exame técnico

#4.1

07/15/1986

RPI 821

Publicação do pedido de patente

#3.1

02/04/1986

RPI 798

Pedido de patente depositado

#2.1

08/06/1985

RPI 772

Carta-patente expirada

#21.1

Patente extinta em 31/05/2000

07/15/2008

RPI 1958

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