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Official data from INPI

PRESILHA PARA TRILHO E METÓDO DE SUA PRODUÇÃO

ConcedidaInvention Patent

Application data

Number

PI8000091

Type

Invention Patent

Filing

01/08/1980

Publication

-

Progress at the INPI

  1. Filing01/08/80
  2. Publication
  3. Examination11/03/81
  4. Allowance07/12/83
  5. Grant02/28/84
  6. In force01/08/00

The patent was granted on 02/28/1984 and is in force until 01/08/2000. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:01/08/2000

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Latest action published by the INPI: 02/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pandrol Canada Limited

CA

Ralph McKay Limited

AU

Inventors

H. Y. (pessoa física)

AU

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Solicitação de exame técnico

#4.1

11/03/1981

RPI 576

105

03/18/1997

RPI 1372

21.5

04/09/1996

RPI 1323

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

18.5

07/18/1995

RPI 1285

132

04/25/1995

RPI 1273

105

01/31/1995

RPI 1261

18.3

06/29/1993

RPI 1178

18.1

02/09/1993

RPI 1158

Pedido de licença compulsória

#20.1

11/24/1992

RPI 1147

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