US3206552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone call charge rate computer
Assignee: AT&T Inc
•
Filing: 1960-08-02
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Granted: 1965-09-14
•
Expires: 1980-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert C Avery
- 👤 Myers Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:04
CPC Classifications
H; H04; H04M; H04M15/00; H04M15/04; H04M15/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
A COMPUTER FOR DETERMINING CHARGE RATES ON CALLS BETWEEN CALLING AND CALLED OFFICES WHEREIN SAID OFFICES ARE GROUPED INTO GEORGRAPHICAL AREAS AND WHEREIN EACH AREA MAY COMPRISE A PLURALITY OF OFFICES; MEANS FOR TRANSMITTING TO SAID COMPUTER ON EACH CALL INFORMATION IDENTIFYING THE GEOGRAPHICAL AREA IN WHICH THE CALLED OFFICE IS SITUATED, THE LOCATION OF THE CALL OFFICE WITHIN ITS AREA, AND THE LOCATION OF THE CALLING OFFICE WITHIN ITS AREA; MEANS IN SAID COMPUTER RESPONSIVE TO THE RECEIPT OF SAID INFORMATION FOR DERIVING A FIRST PORTION OF THE CHARGE RATE FOR EACH CALL IN ACCORDANCE WITH A MINIMUM DISTANCE BETWEEN THE CALLING AND CALLED AREAS, AND MEANS IN SAID COMPUTER FURTHER RESPONSIVE TO THE RECEIPT OF SAID INFORMATION FOR DERIVING THE REMAINDER OF THE CHARGE RATE FOR EACH CALL IN ACCORDANCE WITH THE LOCATION OF THE CALLING AND CALLED OFFICES IN THEIR AREAS.
References Cited (Backward Citations)
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US2984704A
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US2955163A
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |