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Official data from INPI

TAMPA COM OBTURADOR PARA RECIPIENTES TERMICOS

Em AnáliseInvention Patent

Application data

Number

PI8301341

Type

Invention Patent

Filing

03/17/1983

Publication

10/23/1984

Progress at the INPI

  1. Filing03/17/83
  2. Publication10/23/84
  3. Examination06/25/85
  4. Allowance05/05/87
  5. Grant12/29/87
  6. Terminated02/18/92

The patent was granted on 12/29/1987 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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SOBRAL IND COM SA [BR]

Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/01/1989

RPI 980

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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