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Official data from INPI

FACA

Em AnáliseInvention Patent

Application data

Number

PI8603563

Type

Invention Patent

Filing

07/28/1986

Publication

-

Progress at the INPI

  1. Filing07/28/86
  2. Publication
  3. Examination02/09/88
  4. Allowance04/09/91
  5. Grant07/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Richardson Sheffield Limited

GB

Inventors

J. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

GB

8525762 · 10/18/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

05/24/1988

RPI 918

Pedido de certificado de adição de invenção

#5.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

12/16/1986

RPI 843

Carta-patente expirada

#21.1

Patente extinta em 28/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

03/30/1993

RPI 1165

110

01/26/1993

RPI 1156

Recurso

#12.1

07/30/1991

RPI 1078

Republicação - classificação IPC

#15.11

05/07/1991

RPI 1066

Deferimento

#9.1

04/09/1991

RPI 1062

Exigência - art. 36 da LPI

#6.1

08/14/1990

RPI 1028

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