Patent US3299211A successfully refreshed from Google Patents.
US3299211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone signal reporting system
Assignee: AT&T Inc
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Filing: 1961-12-22
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Granted: 1967-01-17
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert C Avery
- 👤 Majlinger Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:07
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN AN AUTOMATIC SIGNAL REPORTING SYSTEM, IN COMBINATION, A PLURALITY OF SIGNAL STATIONS, MEANS AT EACH OF SAID STATIONS RESPONSIVE TO A PRESELECTED CONDITION FOR GENERATING RESPECTIVE TONE SIGNALS, A TRANSLATING STATION, TRANSMISSION MEANS FOR APPLYING EACH OF SAID TONE SIGNALS TO SAID TRANSLATING STATION, MEANS AT SAID TRANSLATING STATION FOR CONVERTING EACH ONE OF SAID TONE SIGNALS INTO A RESPECTIVE UNIQUE COMBINATION OF MULTIVALUED DIRECT VOLTAGES INDICATIVE OF THE IDENTITY OF THE CORRESPONDING ONE OF SAID STATIONS, A CONTROL POINT, TRANSMISSION MEANS FOR APPLYING EACH COMBINATION OF SAID VOLTAGES ON A SPACE DIVISION BASIS TO SAID CONTROL POINT, AND MEANS AT SAID CONTROL POINT RESPONSIVE TO SAID SPACE DIVISION VOLTAGES FOR REGISTERING THE IDENTITY OF THE CORRESPONDING ONE OF SAID STATIONS IN TERMS OF A UNIQUE CODE.
Claim 2
Dependent Claim
128 words
IN AN AUTOMATIC SIGNAL REPORTING SYSTEM, IN COMBINATION, A PLURALITY OF SIGNAL STATIONS, MEANS AT EACH OF SAID STATIONS RESPONSIVE TO A PRESELECTED CONDITION FOR GENERATING RESPECTIVE TONE SIGNALS, A TRANSLATING STATION, TRANSMISSION MEANS FOR APPLYING EACH OF SAID TONE SIGNALS TO SAID TRANSLATING STATION, MEANS AT SAID TRANSLATING STATION FOR CONVERTING EACH ONE OF SAID TONE SIGNALS INTO A RESPECTIVE UNIQUE COMBINATION OF MULTIVALUED DIRECT VOLTAGES INDICATIVE OF THE IDENTITY OF THE CORRESPONDING ONE OF SAID STATIONS, A CONTROL POINT, TRANSMISSION MEANS FOR APPLYING EACH COMBINATION OF SAID VOLTAGES ON A SPACE DIVISION BASIS TO SAID CONTROL POINT, AND MEANS AT SAID CONTROL POINT RESPONSIVE TO SAID SPACE DIVISION VOLTAGES FOR REGISTERING THE IDENTITY OF THE CORRESPONDING ONE OF SAID STATIONS IN TERMS OF A UNIQUE CODE.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |