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Patentsuche

  1. Erweiterte Patentsuche
VeröffentlichungsnummerUS3874852 B1
PublikationstypErteilung
Veröffentlichungsdatum11. Juli 1989
Eingetragen5. Juli 1974
Prioritätsdatum5. Juli 1974
Auch veröffentlicht unterCA1024868A, CA1024868A1, DE2501855A1, DE2501855B2, DE2501855C3
VeröffentlichungsnummerUS 3874852 B1, US 3874852B1, US-B1-3874852, US3874852 B1, US3874852B1
Zitat exportierenBiBTeX, EndNote, RefMan
Externe Links: USPTO, USPTO-Zuordnung, Espacenet

US 3874852 B1
Zusammenfassung  auf verfügbar
Beschreibung  auf verfügbar
Ansprüche  auf verfügbar
Referenziert von
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Klassifizierungen
Internationale KlassifikationG01N31/00, G01N33/72, G01N33/50
UnternehmensklassifikationG01N33/5094, G01N33/721
Europäische KlassifikationG01N33/50D6, G01N33/72B
Juristische Ereignisse
DatumCodeEreignisBeschreibung
18. Juli 1989RFReissue application filed
Effective date: 19891130
11. Juli 1989B1Reexamination certificate first reexamination
30. Okt. 1984RRRequest for reexamination filed
Effective date: 19840919