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(12) Patent: | (11) CA 1121009 |
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(21) Application Number: | 1121009 |
(54) English Title: | ISOLATEUR A DIELECTRIQUES MULTIPLES |
(54) French Title: | MULTIPLE DIELECTRIC INSULATOR |
Status: | Term Expired - Post Grant |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | ROBIC, ROBIC & ASSOCIES/ASSOCIATES |
(74) Associate agent: | |
(45) Issued: | 1982-03-30 |
(22) Filed Date: | 1979-12-20 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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PRECIS DE LA DIVULGATION:
Un isolateur comprenant un élément diélectrique ayant
la forme d'une assiette et présentant une tête cylindrique, au
moins une tige dont au moins une extrémité est scellée dans le
logement défini par la tête d'un élément diélectrique, et au
moins un capot recouvrant la tête d'un diélectrique et scellé
sur cette dernière. Cet isolateur est caractérisé en ce que la
tige présente au voisinage de son extrémité scellée une collerette
de diamètre extérieur supérieur au diamètre extérieur de la tête
dans laquelle est scellée ladite extrémité, et que le capot pré-
sente une base évasée couvrant une portion annulaire du diélectri-
que s'étendant au-delà du diamètre extérieur de la tête, de façon
à définir un prolongement rigide de part et d'autre de l'élément
diélectrique. L'invention s'applique en particulier aux isola-
teurs à diélectriques multiples en verre trempé.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
Sorry, the representative drawing for patent document number 1121009 was not found.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
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Description | Date |
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Inactive: IPC from MCD | 2006-03-11 |
Inactive: IPC from MCD | 2006-03-11 |
Inactive: Expired (old Act Patent) latest possible expiry date | 1999-03-30 |
Grant by Issuance | 1982-03-30 |
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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CERAVER |
Past Owners on Record |
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MICHEL WILLEM |