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Official data from INPI

SISTEMA DE CONTROLE DE FREIO DE AR

PublicadaInvention Patent

Application data

Number

PI8802432

Type

Invention Patent

Filing

05/18/1988

Publication

12/13/1988

Progress at the INPI

  1. Filing05/18/88
  2. Publication12/13/88
  3. Examination02/19/91
  4. Allowance03/10/92
  5. Grant04/27/93
  6. Terminated10/24/95

The patent was granted on 04/27/1993 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

Knorr Brake Holding Corporation.

US

See this company's full portfolio

Inventors

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

051.358 · 05/19/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/13/1988

RPI 947

Pedido de patente depositado

#2.1

10/11/1988

RPI 938

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Pedido de licença compulsória

#20.1

06/29/1993

RPI 1178

Concessão da patente

#16.1

04/27/1993

RPI 1169

11.8

04/06/1993

RPI 1166

Arquivamento - Art. 38 §2° da LPI

#11.4

01/12/1993

RPI 1154

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

03/10/1992

RPI 1110

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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