Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c8e6a13e4ae501eb40decf5732cf09c6 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04M3-432 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M3-432 |
filingDate |
1956-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
1959-08-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ddd8563042333e527ce089f49b3d3c9d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f308eaebcaab3aa1c814126dd45820bc |
publicationDate |
1959-08-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-2901542-A |
titleOfInvention |
"wake up" or "morning call" system for automatically signaling private branch exchange extension stations |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3510591-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3504121-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3777065-A |
priorityDate |
1956-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |