US3189692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic call transmitter
Assignee: AT&T Inc
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Filing: 1962-05-08
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Granted: 1965-06-15
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Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Andregg
- 👤 Pferd William
- 👤 Rembert R Stokes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:03
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; H04M1/278
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A CALL TRANSMITTER EMPLOYING A CODE BEARING MEDIUM HAVING A PLURALITY OF DIGITS ENCODED THEREON, THE CALL TRANSMITTER COMPRISING: MEANS FOR TRANSLATING THE CODING ON THE CODE BEARING MEDIUM; MEANS UNDER THE CONTROL OF THE TRANSLATING MEANS FOR GENERATING SIGNALS REPRESENTING THE ENCODED DIGITS, THE SIGNAL GENERATING MEANS COMPRISING A PULSING RELAY CONNECTABLE TO A COMMUNICATION LINE, THE PULSING RELAY BEING ENERGIZED BY THE COMMUNICATION LINE WHEN CONNECTED THERETO, AND THE PULSING RELAY INTERRUPTING THE COMMUNICATION LINE RESPONSIVE TO ENERGIZATION.
Claim 2
Dependent Claim
80 words
A CALL TRANSMITTER EMPLOYING A CODE BEARING MEDIUM HAVING A PLURALITY OF DIGITS ENCODED THEREON, THE CALL TRANSMITTER COMPRISING: MEANS FOR TRANSLATING THE CODING ON THE CODE BEARING MEDIUM; MEANS UNDER THE CONTROL OF THE TRANSLATING MEANS FOR GENERATING SIGNALS REPRESENTING THE ENCODED DIGITS, THE SIGNAL GENERATING MEANS COMPRISING A PULSING RELAY CONNECTABLE TO A COMMUNICATION LINE, THE PULSING RELAY BEING ENERGIZED BY THE COMMUNICATION LINE WHEN CONNECTED THERETO, AND THE PULSING RELAY INTERRUPTING THE COMMUNICATION LINE RESPONSIVE TO ENERGIZATION.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |