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Official data from INPI

APARELHO MINISTRADOR

PublicadaInvention Patent

Application data

Number

PI8701262

Type

Invention Patent

Filing

03/20/1987

Publication

01/05/1988

Progress at the INPI

  1. Filing03/20/87
  2. Publication01/05/88
  3. Examination08/28/90
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Terminated10/17/95

The patent was granted on 11/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dow Brands Inc.

US

Dow Consumer Products Inc

US

Inventors

S. S. (pessoa física)

US

W. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

842.617 · 03/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/05/1988

RPI 898

Pedido de patente depositado

#2.1

06/30/1987

RPI 871

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

20.4

12/01/1992

RPI 1148

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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