US3301957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unattended automatic dialing of telephone numbers
Assignee: AT&T Inc
•
Filing: 1962-12-06
•
Granted: 1967-01-31
•
Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 Paul J Germond
- 👤 Karl L Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; G; G06; G06F; G06F3/00; G06F3/16; Y; Y10; Y10S; Y10S379/00; Y10S379/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN AUTOMATIC DIGIT DIALING CONTROL SYSTEM COMPRISING A TELEPHONE LINE, APPARATUS CAPABLE OF PROCESSING INTELLIGENCE OVER SAID TELEPHONE LINE AND STORING WITHIN ITSELF THE CALL DIGITS OF SELECTED TELEPHONE SUBSCRIBERS IN BINARY-CODED DECIMAL FORM, MEANS RESPONSIVE TO A REQUEST-FOR-SERVICE SIGNAL FROM SAID APPARATUS FOR SEIZING SAID TELEPHONE LINE, MEANS FOR OUTPULSING THE SUCCESSIVE CALL DIGITS OF A PARTICULAR TELEPHONE SUBSCRIBER IN A NORMAL DIALING SEQUENCE, MEANS INTERCONNECTING SAID APPARATUS AND SAID OUTPULSING MEANS FOR TRANSLATING SUCCESSIVE CALL DIGITS FROM BINARY-CODED DECIMAL FORM TO A FORM USABLE BY SAID OUTPULSING MEANS, AND MEANS CONNECTING SAID APPARATUS TO SAID TELEPHONE LINE UPON COMPLETION OF A DIALING SEQUENCE.
Claim 2
Dependent Claim
105 words
AN AUTOMATIC DIGIT DIALING CONTROL SYSTEM COMPRISING A TELEPHONE LINE, APPARATUS CAPABLE OF PROCESSING INTELLIGENCE OVER SAID TELEPHONE LINE AND STORING WITHIN ITSELF THE CALL DIGITS OF SELECTED TELEPHONE SUBSCRIBERS IN BINARY-CODED DECIMAL FORM, MEANS RESPONSIVE TO A REQUEST-FOR-SERVICE SIGNAL FROM SAID APPARATUS FOR SEIZING SAID TELEPHONE LINE, MEANS FOR OUTPULSING THE SUCCESSIVE CALL DIGITS OF A PARTICULAR TELEPHONE SUBSCRIBER IN A NORMAL DIALING SEQUENCE, MEANS INTERCONNECTING SAID APPARATUS AND SAID OUTPULSING MEANS FOR TRANSLATING SUCCESSIVE CALL DIGITS FROM BINARY-CODED DECIMAL FORM TO A FORM USABLE BY SAID OUTPULSING MEANS, AND MEANS CONNECTING SAID APPARATUS TO SAID TELEPHONE LINE UPON COMPLETION OF A DIALING SEQUENCE.
References Cited (Backward Citations)
US3084213A
Cited
US3131263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |