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Official data from INPI

RODA DENTADA ACIONADORA PARA USO COM CADEIA DE SERRA SEM-FIM ALONGADA

Em AnáliseInvention Patent

Application data

Number

PI8203782

Type

Invention Patent

Filing

06/29/1982

Publication

06/21/1983

Progress at the INPI

  1. Filing06/29/82
  2. Publication06/21/83
  3. Examination10/08/85
  4. Allowance10/14/86
  5. Grant06/30/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Omark Industries Inc

US

See this company's full portfolio

Inventors

M. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

279.955 · 07/02/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/13/1988

RPI 934

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

14.7

05/07/1985

RPI 759

Publicação do pedido de patente

#3.1

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

08/10/1982

RPI 616

Carta-patente expirada

#21.1

Patente extinta em 29/06/97

07/01/2008

RPI 1956

20.11

09/12/1995

RPI 1293

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