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Official data from INPI

SISTEMA DE FREIO DE LOCOMOTIVA

DeferidaInvention Patent

Application data

Number

PI8502653

Type

Invention Patent

Filing

06/03/1985

Publication

01/06/1987

Progress at the INPI

  1. Filing06/03/85
  2. Publication01/06/87
  3. Examination11/22/88
  4. Allowance10/03/89
  5. Grant06/26/90
  6. Terminated07/25/95

The patent was granted on 06/26/1990 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Standard Inc

US

See this company's full portfolio

Inventors

R. W. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

11/22/1988

RPI 944

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

08/13/1985

RPI 773

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

Republicação - classificação IPC

#15.11

06/11/1991

RPI 1071

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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