| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e938e28337fbaa9944d781f3ccf86b5e |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B47-098
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-1208
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-1277 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-127
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B47-09
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-12 |
| filingDate |
1973-06-25^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1974-12-24^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_44e21ebea97a76f51f3667239a5b5200
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9410cb082d60fd10e7ce019aaac2c9b8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b579b4350b0b2239af5d9bc79267efab |
| publicationDate |
1974-12-24^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3855856-A |
| titleOfInvention |
Impression packer |
| abstract |
An impression packer for use in obtaining impressions in wells and having an impression sleeve formed of a mixture of natural rubber smoked sheet, silica powder and rubber processing oil. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6260618-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9712117-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3960212-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4013124-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4013123-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5651415-A |
| priorityDate |
1973-06-25^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |