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Official data from INPI

PROCESSO PARA A PREPARACAO DE AGLUTINANTES DILUIVEIS EM AGUA, APLICACAO E COMPOSICOES DE REVESTIMENTO

ConcedidaInvention Patent

Application data

Number

PI8303093

Type

Invention Patent

Filing

06/11/1982

Publication

01/31/1984

Progress at the INPI

  1. Filing06/11/82
  2. Publication01/31/84
  3. Examination05/29/84
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Terminated02/18/92

The patent was granted on 09/30/1986 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VIANOVA KUNSTHARZ AG [AT]

Inventors

H. H. (pessoa física)

P. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

04/30/1985

RPI 758

Republicação - classificação IPC

#15.11

10/23/1984

RPI 731

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação do pedido de patente

#3.1

01/31/1984

RPI 693

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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