The Marshall Telephone Corporation Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D287850 Telephone setExpiredMar 02, 84Jan 20, 87[]
D284856 Telephone components stack setExpiredMar 06, 84Jul 29, 86[]
D284657 Telephone setExpiredDec 09, 83Jul 15, 86[]
D284571 Telephone setExpiredDec 09, 83Jul 08, 86[]
D282840 TelephoneExpiredDec 09, 83Mar 04, 86[]
D279894 TelephoneExpiredOct 21, 82Jul 30, 85[]
D278052 TelephoneExpiredDec 04, 81Mar 19, 85[]
D276692 Telephone instrument setExpiredMar 08, 82Dec 11, 84[]
D276721 TelephoneExpiredMar 08, 82Dec 11, 84[]
D276723 Handset telephone instrumentExpiredJan 15, 82Dec 11, 84[]
D276157 TelephoneExpiredDec 04, 81Oct 30, 84[]
D275853 TelephoneExpiredDec 23, 81Oct 09, 84[]
D275568 TelephoneExpiredDec 23, 81Sep 18, 84[]

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