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Official data from INPI

DISTRIBUIDOR

ConcedidaInvention Patent

Application data

Number

PI8201989

Type

Invention Patent

Filing

04/05/1982

Publication

11/16/1983

Progress at the INPI

  1. Filing04/05/82
  2. Publication11/16/83
  3. Examination02/14/84
  4. Allowance10/22/85
  5. Grant08/26/86
  6. Terminated11/15/94

The patent was granted on 08/26/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Woerner Sistemas de Lubrificação Ltda.

SP, BR

See this company's full portfolio

Inventors

A. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

10/22/1985

RPI 783

8.1

05/28/1985

RPI 762

6.5

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

06/01/1982

RPI 606

15.7

05/07/1996

RPI 1327

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

Licença compulsória (variante)

#20.2

07/19/1994

RPI 1233

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