http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4512234-A

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classificationIPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10C3-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10H1-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10B3-12
filingDate 1983-01-25-04:00^^<http://www.w3.org/2001/XMLSchema#date>
grantDate 1985-04-23-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_18d0fdbcad6de1190fcb2e6c0763ffd2
publicationDate 1985-04-23-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber US-4512234-A
titleOfInvention Keyboard device having cushioned weight member for electronic musical instrument
abstract Each key of a keyboard of an electronic musical instrument is mounted on a frame to be tiltable in the vertical direction and biased to a normal position by a return spring. Each key is incorporated with a weight member embedded in a cushion member. Preferably the cushioned weight member is mounted on the front end of each key and the cushion member is made of rubber. The cushioned weight member provides a refined responsive key touch sensation.
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2008295671-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1515301-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1515301-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2008210079-A1
priorityDate 1982-01-26-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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Total number of triples: 58.