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Official data from INPI

CONSTRUÇÃO DE FECHO

Em AnáliseInvention Patent

Application data

Number

PI8601970

Type

Invention Patent

Filing

04/30/1986

Publication

04/22/1987

Progress at the INPI

  1. Filing04/30/86
  2. Publication04/22/87
  3. Examination03/21/89
  4. Allowance10/02/90
  5. Grant04/30/91
  6. Terminated09/26/95

The patent was granted on 04/30/1991 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

See this company's full portfolio

Inventors

G. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

777.407 · 09/18/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

12/05/1989

RPI 998

Solicitação de exame técnico

#4.1

03/21/1989

RPI 961

Publicação do pedido de patente

#3.1

04/22/1987

RPI 861

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

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