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Official data from INPI

CAVILHA DE EXPANSÃO

ConcedidaInvention Patent

Application data

Number

PI8501587

Type

Invention Patent

Filing

04/03/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing04/03/85
  2. Publication12/03/85
  3. Examination05/27/86
  4. Allowance02/28/89
  5. Grant09/26/89
  6. Terminated03/10/92

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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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

Technical data

IPC Classification

Priority claims

DE

P 34 13 231.7 · 04/07/1984

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

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

14.1

12/15/1987

RPI 895

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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