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Extract from the Register of European Patents

EP About this file: EP0201621

EP0201621 - Electromagnetic instruments and survey procedures for imaging structure in coal seams [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.04.1992
Database last updated on 12.07.2024
Most recent event   Tooltip17.02.2006Change - lapse in a contracting state
Updated state(s): FR
published on 05.04.2006  [2006/14]
Applicant(s)For all designated states
STOLAR, INC.
1030 Clayton Road Raton
New Mexico 87740 / US
[N/P]
Former [1986/47]For all designated states
STOLAR, INC.
1030 Clayton Road
Raton New Mexico 87740 / US
Inventor(s)01 / Stolarczyk, Larry G.
612 South 7th Street
Raton New Mexico 87740 / US
[1986/47]
Representative(s)Blumbach, Paul Günther, et al
BLUMBACH WESER BERGEN KRAMER ZWIRNER HOFFMANN Patentanwälte Sonnenberger Strasse 100
D-65193 Wiesbaden / DE
[N/P]
Former [1990/16]Blumbach, Paul Günter, Dipl.-Ing., et al
BLUMBACH WESER BERGEN KRAMER ZWIRNER HOFFMANN Patentanwälte Sonnenberger Strasse 100
D-65193 Wiesbaden / DE
Former [1990/05]Bernhardt, Klaus, Dipl.-Ing.
Reinländer & Bernhardt Patentanwälte Orthstrasse 12
D-8000 München 60 / DE
Former [1986/47]Bernhardt, Klaus, Dipl.-Ing.
Reinländer & Bernhardt Patentanwälte Orthstrasse 12
D-81245 München / DE
Application number, filing date85107005.205.06.1985
[1986/47]
Priority number, dateUS1985073174106.05.1985         Original published format: US 731741
[1986/47]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0201621
Date:20.11.1986
Language:EN
[1986/47]
Type: A3 Search report 
No.:EP0201621
Date:07.10.1987
Language:EN
[1987/41]
Type: B1 Patent specification 
No.:EP0201621
Date:05.06.1991
Language:EN
[1991/23]
Search report(s)(Supplementary) European search report - dispatched on:EP20.08.1987
ClassificationIPC:G01V3/30
[1986/47]
CPC:
G01V3/30 (EP,US); G01N33/24 (EP,US)
Designated contracting statesAT,   BE,   DE,   FR,   GB [1986/47]
TitleGerman:Elektromagnetische Instrumente und Messverfahren zur Abbildung der Struktur in Kohlenschichten[1986/47]
English:Electromagnetic instruments and survey procedures for imaging structure in coal seams[1986/47]
French:Instruments électromagnétiques et procédé de mesure pour l'imagerie de la structure dans des couches de carbone[1986/47]
File destroyed:20.04.2002
Examination procedure05.06.1985Examination requested  [1986/47]
31.05.1989Despatch of a communication from the examining division (Time limit: M06)
05.12.1989Reply to a communication from the examining division
22.01.1990Despatch of a communication from the examining division (Time limit: M04)
21.05.1990Reply to a communication from the examining division
06.06.1990Despatch of a communication from the examining division (Time limit: M01)
09.06.1990Reply to a communication from the examining division
05.07.1990Despatch of communication of intention to grant (Approval: Yes)
26.10.1990Communication of intention to grant the patent
29.01.1991Fee for grant paid
29.01.1991Fee for publishing/printing paid
Opposition(s)06.03.1992No opposition filed within time limit [1992/22]
Fees paidRenewal fee
23.06.1987Renewal fee patent year 03
24.06.1988Renewal fee patent year 04
23.06.1989Renewal fee patent year 05
04.07.1990Renewal fee patent year 06
22.12.1990Renewal fee patent year 07
Penalty fee
Additional fee for renewal fee
01.07.199006   M06   Fee paid on   04.07.1990
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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.
Lapses during opposition  TooltipAT05.06.1991
BE05.06.1991
FR05.06.1991
[2006/14]
Former [1992/25]AT05.06.1991
BE05.06.1991
FR25.10.1991
Former [1992/18]AT05.06.1991
BE05.06.1991
Former [1992/15]AT05.06.1991
Documents cited:Search[A]DE2535259  (BLUM HELMUT DIPL PHYS);
 [A]GB2091513  (CONOCO INC)
 [A]  - RADIO SCIENCE, vol. 11, no. 4, April 1976, pages 275-283, American Geophysical Union, Washington, US; R.N. GRUBB et al.: "Borehole measurements of conductivity and dielectric constant in the 300 kHz to 25 MHz frequency range"
 [AD]  - GEOPHYSICS, vol. 44, no. 10, October 1979, pages 1667-1676, Tulsa, US; R.J. LYTLE et al.: "Cross-borehole electromagnetic probing to locate high-contrast anomalies"
 [AD]  - RADIO SCIENCE, vol. 11, no. 4, April 1976, pages 253-261, The American Geophysical Union, Washington, US; A.G. EMSLIE et al.: "Propagation of low and medium frequency radio waves in a coal seam"
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.