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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8502650

Type

Invention Patent

Filing

06/03/1985

Publication

02/12/1986

Progress at the INPI

Awaiting grant fee payment
  1. Filing06/03/85
  2. Publication02/12/86
  3. Examination03/29/88
  4. Allowance02/04/92
  5. Grant
  6. In force

The application was allowed by the INPI on 02/04/1992. The grant of the letters patent is being processed.

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Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stauffer Chemical Company

US

See this company's full portfolio

Inventors

D. E. (pessoa física)

D. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/29/1988

RPI 910

Publicação do pedido de patente

#3.1

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Retificação

#15.3

09/08/1992

RPI 1136

Notificação para pagamento de retribuição

#13.1

08/11/1992

RPI 1132

Deferimento

#9.1

02/04/1992

RPI 1105

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