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EP0238829
European procedure
Extract from the Register of European Patents
EP About this file: EP0238829
| EP0238829 - Ink jet printhead having a preloaded check valve [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.01.1992 Database last updated on 03.06.2024 | Most recent event Tooltip | 15.08.2008 | Change - applicant | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto, CA 94304-1112 / US | [N/P] |
| Former [2008/38] | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto CA 94304-1112 / US | ||
| Former [1987/40] | For all designated states Hewlett-Packard Company P.O. Box 10301 3000 Hanover Street Palo Alto California 94303-0890 / US | Inventor(s) | 01 /
Nielsen, Niels 33046 Peoria Road Corvallis Oregon 97333 / US | [1987/40] | Representative(s) | Kohler Schmid Möbus Patentanwälte Partnerschaftsgesellschaft mbB Gropiusplatz 10 70563 Stuttgart / DE | [N/P] |
| Former [1987/40] | KOHLER SCHMID + PARTNER Patentanwälte Ruppmannstrasse 27 D-70565 Stuttgart / DE | Application number, filing date | 87101966.7 | 12.02.1987 | [1987/40] | Priority number, date | US19860842594 | 20.03.1986 Original published format: US 842594 | [1987/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0238829 | Date: | 30.09.1987 | Language: | EN | [1987/40] | Type: | A3 Search report | No.: | EP0238829 | Date: | 20.01.1988 | Language: | EN | [1988/03] | Type: | B1 Patent specification | No.: | EP0238829 | Date: | 27.03.1991 | Language: | EN | [1991/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.11.1987 | Classification | IPC: | B41J2/04, B41J2/175 | [1991/13] | CPC: |
F16K15/148 (EP,US);
B41J2/17596 (EP,US);
F16K15/1402 (US);
Y10T137/789 (EP)
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| Former IPC [1987/40] | B41J3/04 | Designated contracting states | DE, FR, GB, IT [1987/40] | Title | German: | Tintendruckkopf mit voraufgeladenem Prüfventil | [1987/40] | English: | Ink jet printhead having a preloaded check valve | [1987/40] | French: | Tête d'impression à jet d'encre équipée d'une soupape de contrôle préchargée | [1987/40] | Examination procedure | 09.03.1988 | Examination requested [1988/18] | 06.07.1989 | Despatch of a communication from the examining division (Time limit: M04) | 18.10.1989 | Reply to a communication from the examining division | 20.11.1989 | Despatch of a communication from the examining division (Time limit: M04) | 15.02.1990 | Reply to a communication from the examining division | 11.05.1990 | Despatch of communication of intention to grant (Approval: Yes) | 31.08.1990 | Communication of intention to grant the patent | 29.11.1990 | Fee for grant paid | 29.11.1990 | Fee for publishing/printing paid | Opposition(s) | 28.12.1991 | No opposition filed within time limit [1992/12] | Fees paid | Renewal fee | 28.02.1989 | Renewal fee patent year 03 | 22.01.1990 | Renewal fee patent year 04 | 02.01.1991 | 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 | [A]DE2445954 | [X] - XEROX DISCLOSURE JOURNAL, vol. 9, No. 2, pages 129, 130, March/April 1984, Stamford, US; I. REZANKA: "One-way valve for shutdown of continuous stream ink jet" |