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Official data from INPI

CHAPA COLETORA PARA TROCADOR DE CALOR DE TUBOS E CAIXAS DE AGUA

Em AnáliseInvention Patent

Application data

Number

PI8306995

Type

Invention Patent

Filing

12/22/1982

Publication

07/31/1984

Progress at the INPI

  1. Filing12/22/82
  2. Publication07/31/84
  3. Examination01/22/85
  4. Allowance04/15/86
  5. Grant09/29/87
  6. Terminated11/16/88

The patent was granted on 09/29/1987 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CHAUSSON USINES SA [FR]

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

05/12/1987

RPI 864

110

03/10/1987

RPI 855

Recurso

#12.1

08/26/1986

RPI 827

Deferimento

#9.1

04/15/1986

RPI 808

Pedido de certificado de adição de invenção

#5.1

06/11/1985

RPI 764

Solicitação de exame técnico

#4.1

01/22/1985

RPI 744

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

02/28/1984

RPI 697

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