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EP0308639
European procedure
Extract from the Register of European Patents
EP About this file: EP0308639
| EP0308639 - A container for storing liquid Helium [Right-click to bookmark this link] | |||
| Former [1989/13] | Method and container for storing volatile substances, and control of the surface flow of superfluid helium | ||
| [1992/21] | Status | No opposition filed within time limit Status updated on 07.10.1993 Database last updated on 12.11.2024 | Most recent event Tooltip | 07.10.1993 | No opposition filed within time limit | published on 24.11.1993 [1993/47] | Applicant(s) | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | [N/P] |
| Former [1989/13] | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | Inventor(s) | 01 /
Sasaki, Shosuke 12-18, Inabaso 1-chome Amagasaki-shi Hyogo-ken / JP | 02 /
Kitano, Yasuyuki 21-18, Tozakashinmachi 2-chome Hiroshima-shi Hiroshima-ken / JP | [1989/13] | Representative(s) | Blumbach Weser Bergen Kramer Zwirner Hoffmann Patentanwälte Radeckestrasse 43 81245 München / DE | [N/P] |
| Former [1989/13] | Blumbach Weser Bergen Kramer Zwirner Hoffmann Patentanwälte Radeckestrasse 43 D-81245 München / DE | Application number, filing date | 88112718.7 | 04.08.1988 | [1989/13] | Priority number, date | JP19870194596 | 04.08.1987 Original published format: JP 19459687 | JP19870205156 | 20.08.1987 Original published format: JP 20515687 | [1989/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0308639 | Date: | 29.03.1989 | Language: | EN | [1989/13] | Type: | A3 Search report | No.: | EP0308639 | Date: | 07.06.1989 | Language: | EN | [1989/23] | Type: | B1 Patent specification | No.: | EP0308639 | Date: | 02.12.1992 | Language: | EN | [1992/49] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.04.1989 | Classification | IPC: | F17C13/00, F17C3/08 | [1989/13] | CPC: |
F17C13/005 (EP,US);
F17C3/08 (EP,US);
F25B9/00 (EP,US);
F17C2201/0123 (EP,US);
F17C2203/0329 (EP,US);
F17C2203/0607 (EP,US);
F17C2203/0629 (EP,US);
F17C2203/0673 (EP,US);
F17C2221/011 (EP,US);
F17C2221/012 (EP,US);
F17C2221/014 (EP,US);
F17C2221/017 (EP,US);
F17C2223/0161 (EP,US);
F17C2223/033 (EP,US);
F17C2270/0509 (EP,US);
Y02E60/32 (EP,US)
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| Designated contracting states | CH, DE, FR, GB, IT, LI, NL [1989/13] | Title | German: | Gefäss zum Aufbewahren von flüssigem Helium | [1992/21] | English: | A container for storing liquid Helium | [1992/21] | French: | Réservoir pour le stockage d'hélium fluide | [1992/21] |
| Former [1989/13] | Verfahren und Gefäss zum Aufbewahren von flüchtigen Stoffen, und Kontrolle der Oberflächenströmung von supraflüssigem Helium | ||
| Former [1989/13] | Method and container for storing volatile substances, and control of the surface flow of superfluid helium | ||
| Former [1989/13] | Procédé et réservoir pour le stockage de substances volatiles, et procédé de contrôle d'écoulement à la surface d'hélium suprafluide | Examination procedure | 07.12.1989 | Examination requested [1990/05] | 10.08.1990 | Despatch of a communication from the examining division (Time limit: M05) | 21.12.1990 | Reply to a communication from the examining division | 31.05.1991 | Despatch of a communication from the examining division (Time limit: M04) | 09.09.1991 | Reply to a communication from the examining division | 07.04.1992 | Despatch of communication of intention to grant (Approval: Yes) | 04.06.1992 | Communication of intention to grant the patent | 04.09.1992 | Fee for grant paid | 04.09.1992 | Fee for publishing/printing paid | Opposition(s) | 03.09.1993 | No opposition filed within time limit [1993/47] | Fees paid | Renewal fee | 29.08.1990 | Renewal fee patent year 03 | 02.01.1991 | Renewal fee patent year 04 | 26.08.1992 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [X]FR2111029 (LEYBOLD HERAEUS VERWALTUNG); | [X]CH147556 (HESSLING WALDEMAR [CH]) | [ ] - Bulletin of the American Chemical Society, Vol. 32, No. 4, April 1987, page 1089, Ref. No. HD 2; US, J.M. PARPIA: "Suppression of super-fluidity of 3He in 350 nm diameter channels", Abstract. | [ ] - Cryogenics, Vol. 27, No. 6, June 1987, pages 316-318; Butterworth Scientific Ltd, Guilford, GB, H. KOBAYASHI et al.: "Plastic dewar for pressurized superfluid helium", page 316, Abstract; page 318, column 2, paragraph 2. | [ ] - Cryogenics, Vol. 26, No. 12, December 1986, pages 692-693; Butterworth Scientific Ltd, Guildford, GB, J.M. GOLDSCHVARTZ: "Controversial helium drops", whole article. | [ ] - R.B. SCOTT: "Cryogenic Engineering", 1st Edition, 1960; D. Van Nostrand Co., Inc., London, GB, pages 268-321, chapter IX: "Properties of cryogenic fluids", page 307, last paragraph. |