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Official data from INPI

LAQUEAMENTO EM VARIAS CAMADAS,PROCESSO PARA A SUA PREPARACAO E EMPREGO DE UMA LACA CLARA

Em AnáliseInvention Patent

Application data

Number

PI7900943

Type

Invention Patent

Filing

02/16/1978

Publication

-

Progress at the INPI

  1. Filing02/16/78
  2. Publication
  3. Examination
  4. Allowance07/30/85
  5. Grant03/25/86
  6. Terminated06/14/88

The patent was granted on 03/25/1986 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BASF FARBEN & FASERN

Inventors

D. A. (pessoa física)

M. D. (pessoa física)

P. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

6.2

03/02/1982

RPI 593

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