US3245040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data receiving circuit
Assignee: AT&T Inc
•
Filing: 1958-04-21
•
Granted: 1966-04-05
•
Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 David F Burdett
- 👤 James R Davey
- 👤 Austin T Harty
- 👤 Jr Bernard Ostendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L1/0056; H04L1/0061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A COMMUNICATION SYSTEM T COMBINATION COMPRISING A PLURAL SHIFT REGISTER HAVING INPUT, ADVANCE AND RECYCLE TERMINALS, EACH OF SAID STAGES HAVING AN OUTPUT TERMINAL, A MEASSAGE DATA SOURCE CONNECTED TO SAID SHIFT REGISTER INPUT TERMINAL, RECYCLE PULSE SOURCE CONNECTED TO SAID RECYCLE TERMINALS AND UNDER CONTROL OF SAID DATA SOURCE FOR ESTABLISHING A DISCRETE INITIAL PATTERN OF ELECTRICAL STATES OF SAID STAGES TO SAID SHIFT REGISTER, SAID RECYCLE PULSE SOURCE EFFECTIVE TO SET THE FIRST STAGE OF SAID SHIFT REGISTER TO THE "1" STATE AND TO RESET ALL OTHER STAGES OF SAID SHIFT REGISTER TO THE "0" STATE, AN AD-
Claim 2
Dependent Claim
101 words
IN A COMMUNICATION SYSTEM T COMBINATION COMPRISING A PLURAL SHIFT REGISTER HAVING INPUT, ADVANCE AND RECYCLE TERMINALS, EACH OF SAID STAGES HAVING AN OUTPUT TERMINAL, A MEASSAGE DATA SOURCE CONNECTED TO SAID SHIFT REGISTER INPUT TERMINAL, RECYCLE PULSE SOURCE CONNECTED TO SAID RECYCLE TERMINALS AND UNDER CONTROL OF SAID DATA SOURCE FOR ESTABLISHING A DISCRETE INITIAL PATTERN OF ELECTRICAL STATES OF SAID STAGES TO SAID SHIFT REGISTER, SAID RECYCLE PULSE SOURCE EFFECTIVE TO SET THE FIRST STAGE OF SAID SHIFT REGISTER TO THE "1" STATE AND TO RESET ALL OTHER STAGES OF SAID SHIFT REGISTER TO THE "0" STATE, AN AD-
References Cited (Backward Citations)
US2803812A
Cited
US2969522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |