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Official data from INPI

PROCESSO PARA PREPARAR UMA FOLHA LAMINADA E PROCESSO PARA PREPARAR UM ARTIGO CONFORMADO

Em AnáliseInvention Patent

Application data

Number

PI8502062

Type

Invention Patent

Filing

04/30/1985

Publication

12/31/1985

Progress at the INPI

  1. Filing04/30/85
  2. Publication12/31/85
  3. Examination12/08/87
  4. Allowance06/25/91
  5. Grant12/31/91
  6. Terminated05/21/96

The patent was granted on 12/31/1991 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

P. C. (pessoa física)

Technical data

Priority claims

US

505050 · 05/02/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação do pedido de patente

#3.1

12/31/1985

RPI 793

Pedido de patente depositado

#2.1

07/09/1985

RPI 768

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 27/32; B32B 27/20; B32B 31/30.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

11/20/1990

RPI 1042

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