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French Coffee Roaster


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 This unique antique coffee roaster was manufactured in France. It dates from the mid to late 1800s. The roaster is still in working order. To operate, coffee beans were placed in the drum, the spirit/votive burner was lit and the clockworks that turned the drum over the burner was wound and the switch set at the proper speed for roasting. The black box on the right of the photo contains the clock works, The handle for winding the mechanism detaches, when not needed. The front of the box has a door that lifts up to get to the clockworks for oiling and adjustments. On the top of the box is the switch which is labeled in French. Vitesse....refers to the speeds, Lente...slow, Rapide...fast, and Arret...stop. Coffee beans were placed in the drum by pulling the cover off of the left side. Even with its age and use, this coffee roaster is in very good condition and for anyone interested in mechanical items and/or early kitchen appliances it is worth viewing. It was acquired in England through an antique dealer from France and then bought by Steve Fisher in America.


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Second French Roaster

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Third French Roaster

Breveté SGDG


This is the only roaster I have ever seen with a fully glass roasting chamber.


I found this section of the patent description almost comical.

no guarantee of function, novelty and merit of the invention also in terms of precision or accuracy of the description

Breveté SGDG was a French type of patent that ceased to exist in 1968. The name was a common abbreviation for "Breveté Sans Garantie Du Gouvernement“ (patent without government guarantees).
Background
France and Belgium maintained a system of simple registration of patents. It was believed that patents registered in this way are free from any liability from the government perspective.
In France, the law of 1844 states that patents are issued "without prior examination, at the risk of the applicant and with no guarantee of function, novelty and merit of the invention also in terms of precision or accuracy of the description".[1][2][3][4]
In Belgium, a similar regulation was in place in article 22 of the 1984 Patents Act,[5] and, as of 2019, is still in place.[6]

References
  1. Hellemans, W (1990). International Communication in Patent Matters. Dordrecht, Martinus Nijhoff Publishers. pp. 159–160. ISBN 0-7923-1435-2.
  2. Perpigna, Antoine (1847). Manuel des inventeurs et des brevetés (in French). chez l'auteur.
  3. Guyot, Yves (1867). L'Inventeur. (Développement des Forces Individuelles-L'Inventeur et la Famille-Les Négations-L'Inventeur et la Science Officielle, etc.) (in French).
  4. Pelletier, Michel (1893). Droit industriel, brevets d'invention, marques de fabrique, modèles et dessins, nom commercial, concurrence déloyale (in French). Baudry et cie.
  5. I found this section of the patent description almost comical.

    no guarantee of function, novelty and merit of the invention also in terms of precision or accuracy of the description

27))&language=fr&rech=1&tri=dd+AS+RANK&numero=1&table_name=loi&F=&cn=1984032835&caller=archive&fromtab=loi&la=F&ver_arch=005">"ARCHIVE - ARCHIEF". www.ejustice.just.fgov.be. Retrieved 2019-07-18.
  • "Code de droit économique". www.ejustice.just.fgov.be. Justel. 19 June 2019. Art. XI.24. § 4. Retrieved 20 July 2019. (French) La délivrance des brevets se fait sans examen préalable de la brevetabilité des inventions, sans garantie du mérite des inventions ou de l'exactitude de la description de celles-ci et aux risques et périls des demandeurs./ (Dutch) De verlening van de octrooien geschiedt zonder voorafgaand onderzoek van hun octrooieerbaarheid, zonder waarborg voor hun waarde of van de juistheid van de beschrijving der uitvindingen en op eigen risico van de aanvrager

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