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Official data from INPI

APERFEICOAMENTO EM UNIDADE DE MANCAL LATERAL PARA VAGAO FERROVIARIO

DeferidaInvention Patent

Application data

Number

PI8402170

Type

Invention Patent

Filing

05/13/1983

Publication

12/18/1984

Progress at the INPI

Awaiting grant fee payment
  1. Filing05/13/83
  2. Publication12/18/84
  3. Examination06/18/85
  4. Allowance12/29/87
  5. Grant
  6. In force

The application was allowed by the INPI on 12/29/1987. The grant of the letters patent is being processed.

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Latest action published by the INPI: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINER ENTERPRISES [US]

Inventors

C. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/13/1988

RPI 947

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Publicação do pedido de patente

#3.1

12/18/1984

RPI 739

Pedido de patente depositado

#2.1

07/24/1984

RPI 718

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