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Official data from INPI

MÁQUINA DO TIPO ESPIRAL

PublicadaInvention Patent

Application data

Number

PI8806152

Type

Invention Patent

Filing

11/23/1988

Publication

08/15/1989

Progress at the INPI

  1. Filing11/23/88
  2. Publication08/15/89
  3. Examination06/18/91
  4. Allowance03/08/94
  5. Grant10/25/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

123.866 · 11/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Carta-patente expirada

#21.1

Patente extinta em 23/11/2003

09/02/2008

RPI 1965

Republicação - classificação IPC

#15.11

04/25/1995

RPI 1273

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

06/21/1994

RPI 1229

Deferimento

#9.1

03/08/1994

RPI 1214

Solicitação de exame técnico

#4.1

06/18/1991

RPI 1072

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