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Official data from INPI

AUTO-REFORÇO DE FREIO SUSPENSO A VÁCUO.

ConcedidaInvention Patent

Application data

Number

PI8107343

Type

Invention Patent

Filing

11/12/1981

Publication

08/03/1982

Progress at the INPI

  1. Filing11/12/81
  2. Publication08/03/82
  3. Examination09/18/84
  4. Allowance06/11/85
  5. Grant02/04/86
  6. Terminated02/04/92

The patent was granted on 02/04/1986 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Automotive Products Limited

See this company's full portfolio

Inventors

B. W. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

80.36550 · 11/13/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

09/24/1985

RPI 779

Republicação - classificação IPC

#15.11

06/18/1985

RPI 765

Deferimento

#9.1

06/11/1985

RPI 764

Pedido de certificado de adição de invenção

#5.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

14.4

11/01/1983

RPI 680

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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