<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE ep-patent-document PUBLIC "-//EPO//EP PATENT DOCUMENT 1.4//EN" "ep-patent-document-v1-4.dtd"><ep-patent-document id="EP0031370A1" file="EP80901492NWA1.xml" lang="en" doc-number="0031370" date-publ="19810708" kind="A1" country="EP" status="n" dtd-version="ep-patent-document-v1-4"><SDOBI lang="en"><B000><eptags><B001EP>......DE....FRGB........NLSE........................................................................</B001EP><B003EP>*</B003EP><B007EP>EPregister to ST.36 EBD process v 1.0 kbaumeister@epo.org (15 Jan 2013)</B007EP></eptags></B000><B100><B110>0031370</B110><B130>A1</B130><B140><date>19810708</date></B140><B190>EP</B190></B100><B200><B210>80901492.0</B210><B220><date>19800707</date></B220><B250>en</B250><B251EP>en</B251EP><B260>en</B260></B200><B300><B310>19790055227</B310><B320><date>19790706</date></B320><B330><ctry>US</ctry></B330></B300><B400><B405><date>19810708</date><bnum>198127</bnum></B405><B430><date>19810708</date><bnum>198127</bnum></B430></B400><B500><B510EP><classification-ipcr sequence="1"><text>G01C   9/    06            A I                    </text></classification-ipcr><classification-ipcr sequence="2"><text>G01C   9/    22            A I                    </text></classification-ipcr></B510EP><B540><B541>en</B541><B542>TILTMETER FOR GEOPHYSICAL PROSPECTING BY MEASUREMENT OF EARTH TIDES</B542><B541>fr</B541><B542>DISPOSITIF DE MESURE D'INCLINAISON POUR LA PROSPECTION GEOPHYSIQUE EN MESURANT LES MAREES TERRESTRES</B542><B541>de</B541><B542>NEIGUNGSMESSER FÜR GEOPHYSIKALISCHES SCHÜRFVERFAHREN DURCH MESSEN DER ERDGEZEITEN</B542></B540></B500><B700><B710><B711><snm>GEIGER, Allen R.</snm><adr><str>2600 E. Idaho</str><city>Las Cruces, NM 88001</city><ctry>US</ctry></adr></B711></B710><B720><B721><snm>GEIGER, Allen R.</snm><adr><str>2600 E. Idaho</str><city>Las Cruces, NM 88001</city><ctry>US</ctry></adr></B721></B720></B700><B800><B840><ctry>DE</ctry><ctry>FR</ctry><ctry>GB</ctry><ctry>NL</ctry><ctry>SE</ctry></B840><B860><B861><dnum><anum>US1980000860</anum></dnum><date>19800707</date></B861><B862>en</B862></B860><B870><B871><dnum><pnum>WO1981000150</pnum></dnum><date>19810122</date><bnum>198102</bnum></B871></B870></B800></SDOBI></ep-patent-document>