Patent US3093707A successfully refreshed from Google Patents.
US3093707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data transmission systems
Assignee: GTE Sylvania Inc
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Filing: 1959-09-24
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Granted: 1963-06-11
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Katherine C Nicholson
- 👤 Robert A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L1/0056; H04L1/0057
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
A TELETYPEWRITER COMMUNICATION SYSTEM COMPRISING: A TELETYPEWRITER ADAPTED TO REPRESENT ALPHA-NUMERIC CHARACTERS IN A SERIES OF BINARY CODED ELECTRIC IMPULSES; AN ENCODER FOR SAID PULSES; SAID ENCODER INCLUIDING A MULTISTAGE SHIFTING REGISTER HAVING FEEDBACK AND CONTROL CONNECTIONS ADAPTED TO PRODUCE A SEQUENCE OF ELECTRIC IMPULSES INCLUDING SAID SERIES OF PULSES FOLLOWED BY FURTHER PULSES REPRESENTING SUM-MODULO-TWO ADDITION OF SELECTED PULSES WITHIN SAID SERIES; A DECODER FOR SAID SEQUENCE OF ELECTRIC PULSES; SAID DECODER INCLUDING MEANS FOR VERIFYING INDIVIDUAL PULSES WITHIN SAID SEQUENCE BY COMPARISON WITH EVERY OTHER PULSE OF SAID SEQUENCE AND MEANS FOR CONVERTING GROUPS OF SAID VERIFIED PULSES TO TELETYPEWRITER PRINTING IMPULSES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |