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Official data from INPI

SISTEMA DE DISTRIBUIÇÃO DE ALTA VELOCIDADE

PublicadaInvention Patent

Application data

Number

PI8900806

Type

Invention Patent

Filing

02/20/1989

Publication

10/17/1989

Progress at the INPI

Awaiting grant fee payment
  1. Filing02/20/89
  2. Publication10/17/89
  3. Examination10/22/91
  4. Allowance09/22/92
  5. Grant
  6. In force

The application was allowed by the INPI on 09/22/1992. The grant of the letters patent is being processed.

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Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

C. W. (pessoa física)

US

D. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

159.133 · 02/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Retificação

#15.3

03/09/1993

RPI 1162

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/22/1992

RPI 1138

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

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