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Official data from INPI

APARELHO PARA DETERMINAR VELOCIDADE, POSICÃO ANGULAR E DIRECÃO DE ROTACÃO DE UM EIXO GIRATÓRIO

Arquivada/ExtintaInvention PatentPCT · US1988004357

Application data

Number

PI8807887

Type

Invention Patent

Filing

12/09/1988

Publication

11/27/1990

PCT

US1988004357

Progress at the INPI

  1. Filing12/09/88
  2. Publication11/27/90
  3. Examination11/17/92
  4. Allowance02/01/94
  5. Grant11/29/94
  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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

B. L. (pessoa física)

US

W. B. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

05/24/1994

RPI 1225

Deferimento

#9.1

02/01/1994

RPI 1209

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Notificação de entrada na fase nacional - PCT

#1.3

11/27/1990

RPI 1043

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