see also US Trademark # 575,781 - Simplex 1929
see also US Trademark # 575,781 - Simplex 1929
- Publisher: US Patent and Trademark Office
- Date: First use December 1929
- Derailleur brands: Simplex
- Derailleurs: nothing specific
see also French Registered Design # 41665-001 - Simplex 1950
see also French Registered Design # 41665-001 - Simplex 1950
- Publisher: L’Institut national de la propriété industrielle
- Date: French application June 1950
- Derailleur brands: Simplex
- Derailleurs: none
see also French Registered Design # 41665-002 - Simplex 1950
see also French Registered Design # 41665-002 - Simplex 1950
- Publisher: L’Institut national de la propriété industrielle
- Date: French application July 1950
- Derailleur brands: Simplex
- Derailleurs: none
see also US Trademark # 722,173 - Simplex 1960
see also US Trademark # 722,173 - Simplex 1960
- Publisher: US Patent and Trademark Office
- Date: application filed September 1960
- Derailleur brands: Simplex
- Derailleurs: nothing specific
see also US Trademark # 1,144,077 - Spidel 1978
see also US Trademark # 1,144,077 - Spidel 1978
- Publisher: US Patent and Trademark Office
- Date: application filed May 1978
- Derailleur brands: Spidel, Simplex, Stronglight
- Derailleurs: nothing specific
see also US Trademark Application # 74046725 - Simplex 1990
see also US Trademark Application # 74046725 - Simplex 1990
- Publisher: US Patent and Trademark Office
- Date: application filed April 1990
- Derailleur brands: Simplex
- Derailleurs: nothing specific
see also US Trademark Application # 88510138 - Simplex 2019
see also US Trademark Application # 88510138 - Simplex 2019
- Publisher: US Patent and Trademark Office
- Date: application filed July 2019
- Derailleur brands: Simplex, Spark, Starlit
- Derailleurs: nothing specific
