US3196401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data identity generator
Assignee: AT&T Inc
•
Filing: 1960-03-25
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Granted: 1965-07-20
•
Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 William J Lamneck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:31
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/22; H04M3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN APPARATUS FOR IDENTIFYING DATA RECORDED ON A STORAGE MEDIUM COMPRISING A REVERSIBLY OPERATIVE GENERATOR MEANS FOR PROVIDING BITS OF IDENTITY INFORMATION WITH RESPECT TO SAID DATA, FIRST MEANS FOR OPERATING SAID GENERATOR MEANS TO PROVIDE SAID BITS OF IDENTITY INFORMATION IN A FIRST PREDETERMINED SEQUUENCE, RECORDER MEANS RESPONSIVE TO SAID GENERATOR MEANS FOR RECORDING SAID IDENTITY INFORMATION PROVIDED THEREFROM, MEANS OPERATIVE UPON A COMLETED OPERATION OF SAID FIRST MEANS FOR ACCUMULATING AND PROVIDING SAID DATA TO SAID RECORDER MEANS FOR RECORDING SAID DATA ON SAID STORAGE MEDIUM, AND SECOND MEANS OPERATIVE UPON A COMPLETED OPERATION OF SAID ACCUMULATING AND OPERATING MEANS FOR OPERATING SAID GENERATOR MEANS TO PROVIDE SAID BITS OF IDENTITY INFOMRATION IN A SECOND PREDETERMINED SEQUENCE, SAID FIRST AND SAID SECOND PREDETERMINED SEQUENCES BEING REVERSED.
Claim 2
Independent Claim
128 words
AN APPARATUS FOR IDENTIFYING DATA RECORDED ON A STORAGE MEDIUM COMPRISING A REVERSIBLY OPERATIVE GENERATOR MEANS FOR PROVIDING BITS OF IDENTITY INFORMATION WITH RESPECT TO SAID DATA, FIRST MEANS FOR OPERATING SAID GENERATOR MEANS TO PROVIDE SAID BITS OF IDENTITY INFORMATION IN A FIRST PREDETERMINED SEQUUENCE, RECORDER MEANS RESPONSIVE TO SAID GENERATOR MEANS FOR RECORDING SAID IDENTITY INFORMATION PROVIDED THEREFROM, MEANS OPERATIVE UPON A COMLETED OPERATION OF SAID FIRST MEANS FOR ACCUMULATING AND PROVIDING SAID DATA TO SAID RECORDER MEANS FOR RECORDING SAID DATA ON SAID STORAGE MEDIUM, AND SECOND MEANS OPERATIVE UPON A COMPLETED OPERATION OF SAID ACCUMULATING AND OPERATING MEANS FOR OPERATING SAID GENERATOR MEANS TO PROVIDE SAID BITS OF IDENTITY INFOMRATION IN A SECOND PREDETERMINED SEQUENCE, SAID FIRST AND SAID SECOND PREDETERMINED SEQUENCES BEING REVERSED.
References Cited (Backward Citations)
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Cited
US2513112A
Cited
US2688658A
Cited
US2599358A
Cited
US2946044A
Cited
US3016522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |