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Official data from INPI

MATERIAL PARA COPIA SENSIVEL A LUZ E PROCESSO PARA A PRODUCAO DE COPIAS EM RELEVO

Em AnáliseInvention Patent

Application data

Number

PI7903264

Type

Invention Patent

Filing

05/26/1978

Publication

-

Progress at the INPI

  1. Filing05/26/78
  2. Publication
  3. Examination02/09/82
  4. Allowance03/08/83
  5. Grant08/30/83
  6. Terminated06/14/88

The patent was granted on 08/30/1983 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

HOECHST AG

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Inventors

U. F. (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

Cessão de direito de exploração

#22.1

09/23/1986

RPI 831

16.3

10/25/1983

RPI 679

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

15.0

10/19/1982

RPI 626

Exigência - art. 36 da LPI

#6.1

08/24/1982

RPI 618

Solicitação de exame técnico

#4.1

02/09/1982

RPI 590

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