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Official data from INPI

REATOR DE CIRCUITO E PROCESSO DE MISTURA EMPREGANDO O MESMO.

ConcedidaInvention Patent

Application data

Number

PI8003877

Type

Invention Patent

Filing

06/20/1980

Publication

-

Progress at the INPI

  1. Filing06/20/80
  2. Publication
  3. Examination05/25/82
  4. Allowance04/11/89
  5. Grant08/29/89
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. B. (pessoa física)

DE

Inventors

B. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 29 25 191.0 · 06/22/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

100

04/11/1989

RPI 964

120

10/11/1988

RPI 938

Petição de recurso

#12.2

12/15/1987

RPI 895

Indeferimento

#9.2

12/23/1986

RPI 844

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Conhecimento de parecer técnico

#7.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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