-
EP0204903
European procedure
Extract from the Register of European Patents
EP About this file: EP0204903
| EP0204903 - Servo control of a motor speed by using a phase locked loop [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.10.1992 Database last updated on 15.08.2024 | Most recent event Tooltip | 08.10.1992 | No opposition filed within time limit | published on 25.11.1992 [1992/48] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1986/51] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Kilen, Richard Scott 34, University Drive Longmont Colorado 80501 / US | 02 /
Rittenhouse, Larry Edward 4660 Greylock Street Boulder / US | [1986/51] | Representative(s) | Colas, Alain Compagnie IBM France Département de Propriété Intellectuelle 06610 La Gaude / FR | [N/P] |
| Former [1986/51] | Colas, Alain Compagnie IBM France Département de Propriété Intellectuelle F-06610 La Gaude / FR | Application number, filing date | 86103850.3 | 21.03.1986 | [1986/51] | Priority number, date | US19850737003 | 23.05.1985 Original published format: US 737003 | [1986/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0204903 | Date: | 17.12.1986 | Language: | EN | [1986/51] | Type: | B1 Patent specification | No.: | EP0204903 | Date: | 04.12.1991 | Language: | EN | [1991/49] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.10.1986 | Classification | IPC: | G05D13/62 | [1986/51] | CPC: |
H02P23/186 (EP,US);
Y10S388/902 (EP,US);
Y10S388/911 (EP,US);
Y10S388/912 (EP,US)
| Designated contracting states | DE, FR, GB [1986/51] | Title | German: | Servoregelung einer Motorgeschwindigkeit unter Verwendung eines Phasenkuppelungskreises | [1986/51] | English: | Servo control of a motor speed by using a phase locked loop | [1986/51] | French: | Servocommande pour la vitesse d'un moteur par utilisation d'un système asservi à calage de phase | [1986/51] | File destroyed: | 15.01.2000 | Examination procedure | 27.03.1987 | Examination requested [1987/22] | 31.10.1988 | Despatch of a communication from the examining division (Time limit: M06) | 18.04.1989 | Reply to a communication from the examining division | 01.12.1989 | Despatch of a communication from the examining division (Time limit: M04) | 06.04.1990 | Reply to a communication from the examining division | 18.02.1991 | Despatch of communication of intention to grant (Approval: Yes) | 03.06.1991 | Communication of intention to grant the patent | 17.06.1991 | Fee for grant paid | 17.06.1991 | Fee for publishing/printing paid | Opposition(s) | 05.09.1992 | No opposition filed within time limit [1992/48] | Fees paid | Renewal fee | 29.03.1988 | Renewal fee patent year 03 | 22.03.1989 | Renewal fee patent year 04 | 26.03.1990 | Renewal fee patent year 05 | 09.03.1991 | Renewal fee patent year 06 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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]GB2005869 (TOKYO SHIBAURA ELECTRIC CO); | [A]US4254367 (SAKAMOTO HITOSHI); | [XP]US4564794 (KILEN RICHARD S [US], et al) | [AD] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 23, no. 11, April 1981, pages 5171-5173, New York, US; L. TABER "Digital phase error detector" |