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Official data from INPI

GRAMPO DE TRILHO E CONJUNTO SOBRE UMA ESTRADA DE FERRO

Em AnáliseInvention Patent

Application data

Number

PI8106195

Type

Invention Patent

Filing

09/28/1981

Publication

06/15/1982

Progress at the INPI

  1. Filing09/28/81
  2. Publication06/15/82
  3. Examination09/21/82
  4. Refused03/26/85
  5. Grant
  6. In force

The application was refused on 03/26/1985 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pandrol Limited

GB

See this company's full portfolio

Inventors

B. T. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8031392 · 09/29/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

04/30/1985

RPI 758

111

03/26/1985

RPI 753

Petição de recurso

#12.2

07/10/1984

RPI 716

Indeferimento

#9.2

03/20/1984

RPI 700

Pedido de certificado de adição de invenção

#5.1

03/08/1983

RPI 646

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

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