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EP0271257
European procedure
Extract from the Register of European Patents
EP About this file: EP0271257
| EP0271257 - Thin film vertical resistor devices for a thermal ink jet printhead and methods of manufacture [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.09.1994 Database last updated on 03.09.2024 | 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 [1988/24] | For all designated states Hewlett-Packard Company Mail Stop 20 B-O, 3000 Hanover Street Palo Alto, California 94304 / US | Inventor(s) | 01 /
Hackleman, David E. 39125 Military Road Monmouth Oregon 97361 / US | 02 /
Bearss, James G. 4308 Kootenai Boise Idaho 83705 / US | 03 /
Bhaskar, Eldurkar V. 3803 N.W. Chinquapin Pl. Corvallis Oregon 97330 / US | [1988/24] | Representative(s) | Colgan, Stephen James, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | [N/P] |
| Former [1988/24] | Colgan, Stephen James, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | Application number, filing date | 87310431.9 | 26.11.1987 | [1988/24] | Priority number, date | US19860941006 | 12.12.1986 Original published format: US 941006 | [1988/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0271257 | Date: | 15.06.1988 | Language: | EN | [1988/24] | Type: | A3 Search report | No.: | EP0271257 | Date: | 16.05.1990 | Language: | EN | [1990/20] | Type: | B1 Patent specification | No.: | EP0271257 | Date: | 10.11.1993 | Language: | EN | [1993/45] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.03.1990 | Classification | IPC: | B41J2/16, H01L49/02 | [1993/45] | CPC: |
B41J2/1642 (EP,US);
B41J2/1601 (EP,US);
B41J2/1626 (EP,US);
B41J2/1631 (EP,US);
B41J2/1646 (EP,US);
H10N97/00 (EP,US);
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| Former IPC [1988/24] | B41J3/04, H01L49/02 | Designated contracting states | DE, FR, GB, IT [1988/24] | Title | German: | Bauelement mit vertikalem Dünnschichtwiderstand für thermischen Tintenspritzdruckkopf und Verfahren zu seiner Herstellung | [1988/24] | English: | Thin film vertical resistor devices for a thermal ink jet printhead and methods of manufacture | [1988/24] | French: | Dispositif à résistance verticale à couche mince pour une tête imprimante à projection thermique d'encre et son procédé de fabrication | [1988/24] | Examination procedure | 02.10.1990 | Examination requested [1990/48] | 24.03.1992 | Despatch of a communication from the examining division (Time limit: M04) | 24.07.1992 | Reply to a communication from the examining division | 07.12.1992 | Despatch of communication of intention to grant (Approval: Yes) | 13.05.1993 | Communication of intention to grant the patent | 11.06.1993 | Fee for grant paid | 11.06.1993 | Fee for publishing/printing paid | Opposition(s) | 11.08.1994 | No opposition filed within time limit [1994/44] | Fees paid | Renewal fee | 23.10.1989 | Renewal fee patent year 03 | 23.10.1990 | Renewal fee patent year 04 | 21.10.1991 | Renewal fee patent year 05 | 26.10.1992 | Renewal fee patent year 06 |
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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]JP59049982 ; | [A]FR2357071 (IBM [US]); | [A]US4232212 (BARAFF DAVID R, et al); | [A]US4353079 (KAWANABE TSUYOSHI); | [A]US4429321 (MATSUMOTO SHIGEYUKI [JP]) | Examination | EP0154515 |