on 11 Jan 2003
Last Applicant/ Owned by
100 WEST 10TH STREET
WILMINGTON
DE
19801
Serial Number
72377667 filed on 02th Dec 1970
Registration Number
931681 registered on 04th Apr 1972
Correspondent Address
ROBERT F. YONCHAK
Filing Basis
1. use application currently
Disclaimer
NO DATA
MODULATING AND DEMODULATING EQUIPMENT FOR MODULATING AND DEMODULATING A CARRIER FREQUENCY WAVE FORM SO THAT IN A COMPLETE TELEPHONE CIRCUIT ONE SUBSCRIBER MAY TRANSMIT AND RECEIVE SIGNALS AT ONE FREQUENCY LEVEL AND ANOTHER SUBSCRIBER MAY SEND AND RECEIVE SIGNALS AT A DIFFERENT FREQUENCY LEVEL
MODULATING AND DEMODULATING EQUIPMENT FOR MODULATING AND DEMODULATING A CARRIER FREQUENCY WAVE FORM SO THAT IN A COMPLETE TELEPHONE CIRCUIT ONE SUBSCRIBER MAY TRANSMIT AND RECEIVE SIGNALS AT ONE FREQUENCY LEVEL AND ANOTHER SUBSCRIBER MAY SEND AND RECEIVE SIGNALS AT A DIFFERENT FREQUENCY LEVEL
30th Apr 1966
30th Apr 1966
No 72377667
No Service/Collective Mark
No
No
No
No
No
No
No
No
No
| Status Date | Action Taken |
|---|---|
| 11th Jan 2003 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| 08th Apr 1992 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| 03rd Mar 1992 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| 06th Sep 1977 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
