US3194890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two digit repertoire dialing system
Assignee: International Telephone and Telegraph Corp
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Filing: 1962-03-06
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Granted: 1965-07-13
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Expires: 1982-03-06
Abstract
No abstract record available.
Inventors
- 👤 Edward R Haskins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:43
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; H04M1/2745; H04M1/27495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN ABBREVIATED DIALING SYSTEM FOR CONVERTING MULTIDIGIT CODE NUMBERS RECEIVED OVER ANY ONE OF A PLURALITY OF CALLING LINES INTO RESPECTIVELY CORRESPONDING MULTIDIGIT TELEPHONE NUMBERS ASSIGNED TO SAID CODE NUMBERS, A PLURALITY OF RESISTOR MATRIX MEANS ASSOCIATED WITH RESPECTIVE ONES OF SAID LINES, A PLURALITY OF SECTIONS IN SAID MATRIX CORRESPONDING RESPECTIVELY TO SAID CODE NUMBERS, MEANS FOR CONTROLLING THE SECTION OF THE MATRIX MEANS CORRESPONDING TO THE CODE NUMBER RECEIVED OVER A CALLING LINE BY PASSING A MARKING SIGNAL THROUGH THE SECTION OF THE MATRIX MEANS CORRESPONDING TO THE RECEIVED CODE NUMBER AND EXCLUDING THE MARKING SIGNAL FROM THE REMAINING SECTIONS OF THE MATRIX MEANS TO PROVIDE MARKINGS INDICATIVE OF THE TELEPHONE NUMBER ASSIGNED TO THE RECEIVED CODE, AND MEANS FOR SCANNING ALL OF SAID MATRIX MEANS TO DETECT SAID MARKINGS AND TO GENERATE A CORRESPONDING TELEPHONE NUMBER.
Claim 2
Dependent Claim
139 words
AN ABBREVIATED DIALING SYSTEM FOR CONVERTING MULTIDIGIT CODE NUMBERS RECEIVED OVER ANY ONE OF A PLURALITY OF CALLING LINES INTO RESPECTIVELY CORRESPONDING MULTIDIGIT TELEPHONE NUMBERS ASSIGNED TO SAID CODE NUMBERS, A PLURALITY OF RESISTOR MATRIX MEANS ASSOCIATED WITH RESPECTIVE ONES OF SAID LINES, A PLURALITY OF SECTIONS IN SAID MATRIX CORRESPONDING RESPECTIVELY TO SAID CODE NUMBERS, MEANS FOR CONTROLLING THE SECTION OF THE MATRIX MEANS CORRESPONDING TO THE CODE NUMBER RECEIVED OVER A CALLING LINE BY PASSING A MARKING SIGNAL THROUGH THE SECTION OF THE MATRIX MEANS CORRESPONDING TO THE RECEIVED CODE NUMBER AND EXCLUDING THE MARKING SIGNAL FROM THE REMAINING SECTIONS OF THE MATRIX MEANS TO PROVIDE MARKINGS INDICATIVE OF THE TELEPHONE NUMBER ASSIGNED TO THE RECEIVED CODE, AND MEANS FOR SCANNING ALL OF SAID MATRIX MEANS TO DETECT SAID MARKINGS AND TO GENERATE A CORRESPONDING TELEPHONE NUMBER.
References Cited (Backward Citations)
US2891114A
Cited
US2951908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |