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Official data from INPI

LINHA DE SURGÊNCIA PARA PRODUÇÀO DE PETRÓLEO E GÁS

Em AnáliseInvention Patent
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Application data

Number

PI8605289

Type

Invention Patent

Filing

10/29/1986

Publication

06/16/1987
View on INPI

Progress at the INPI

  1. Filing10/29/86
  2. Publication06/16/87
  3. Examination08/25/87
  4. Allowance08/03/93
  5. Grant11/30/93
  6. Terminated06/18/96

The patent was granted on 11/30/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

RJ, BR

Multi Tube S/A.

RJ, BR

Inventors

C. B. (pessoa física)

BR

Technical data

IPC Classification

F16L 11/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/25/1987

RPI 879

Publicação antecipada

#3.2

06/16/1987

RPI 869

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

11/30/1993

RPI 1200

Notificação para pagamento de retribuição

#13.1

09/08/1993

RPI 1188

100

08/03/1993

RPI 1183

120

02/02/1993

RPI 1157

Petição de recurso

#12.2

10/01/1991

RPI 1087

Indeferimento

#9.2

06/11/1991

RPI 1071

Retificação

#15.6

12/26/1990

RPI 1047

Retificação

#15.3

10/23/1990

RPI 1038

Retificação

#15.6

08/28/1990

RPI 1030

Retificação

#15.3

03/01/1990

RPI 1007

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