US3712960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic repertory telephone dialer utilizing magnetic memory storage
Assignee: Individual
•
Filing: 1969-06-02
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Granted: 1973-01-23
•
Expires: 1989-06-02
Abstract
Abstract A MAGNETIC MEMORY FOR STORING NUMBERS OR INFORMATION, WHICH MAY BE IN CODED FORM. THE MEMORY IS IN THE FORM OF JUXTAPOSED MAGNETIC TRACKS ON A MAGNETIC DRUM, PREFERABLY HAVING A SMALL DIAMETER AND ADAPTED TO COOPERATE WITH AT LEAST ONE MAGNETIC HEAD IN ORDER TO RECORD SAID NUMBERS OR INFORMATION IN SAID MEMORY, AND A PULSUCONTROLLED STEP-BY-STEP MOTOR FOR DRIVING SAID DRUM WHICH TURNS THROUGH A PREDETERMINED ANGLE IN RESPONSE TO EACH PULSE. THE DEVICE MAY COMPRISE MEANS FOR DERIVING FROM SAID MEMORY SIGNALS WHICH WILL CAUSE THE TRANSMISSION OF A TELEPHONE NUMBER OVER A TELEPHONE LINE.
Inventors
- 👤 J Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:02
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; H04M1/276; G; G06; G06F; G06F3/00; G06F3/002; G11; G11B; G11B19/00; G11B19/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |