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Official data from INPI

OBTURADOR, CONJUNTO DE OBTURADOR E PROCESSO DE PREPARAR UM OBTURADOR

Em AnáliseInvention Patent

Application data

Number

PI8601862

Type

Invention Patent

Filing

04/25/1986

Publication

04/07/1987

Progress at the INPI

  1. Filing04/25/86
  2. Publication04/07/87
  3. Examination05/23/89
  4. Allowance02/19/91
  5. Grant09/24/91
  6. Terminated06/18/96

The patent was granted on 09/24/1991 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ABB Vetco Gray Inc.

US

See this company's full portfolio

Inventors

J. P. (pessoa física)

US

M. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

727.492 · 04/26/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/23/1989

RPI 970

Publicação do pedido de patente

#3.1

04/07/1987

RPI 859

14.1

12/30/1986

RPI 845

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

20.4

08/17/1993

RPI 1185

Republicação - classificação IPC

#15.11

11/12/1991

RPI 1093

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

06/04/1991

RPI 1070

Deferimento

#9.1

02/19/1991

RPI 1055

6.2

09/18/1990

RPI 1033

14.4

03/01/1990

RPI 1007

14.7

03/01/1990

RPI 1007

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