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Official data from INPI

PROCESSO PARA A REMOÇÃO DE SULFETO DE HIDROGÊNIO, SULFETOS E MERCAPTANAS DE CORRENTES GASOSAS

ConcedidaInvention Patent

Application data

Number

PI8300781

Type

Invention Patent

Filing

02/18/1983

Publication

11/16/1983

Progress at the INPI

  1. Filing02/18/83
  2. Publication11/16/83
  3. Examination12/24/85
  4. Allowance01/10/89
  5. Grant08/29/89
  6. Terminated08/29/95

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

Applicants and inventors

Applicants

The Goodyear Tire & Rubber Company

US

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Inventors

J. T. (pessoa física)

US

K. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

352812 · 02/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

08/09/1988

RPI 929

Conhecimento de parecer técnico

#7.1

02/23/1988

RPI 905

Pedido de certificado de adição de invenção

#5.1

03/11/1986

RPI 803

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

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