US3117307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage apparatus
Assignee: International Computers and Tabulators Ltd
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Filing: 1960-03-22
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Granted: 1964-01-07
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Expires: 1980-03-22
Abstract
No abstract record available.
Inventors
- 👤 Davie Julian Albert Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:04
CPC Classifications
G; G06; G06F; G06F5/00; G06F5/06; G06F5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A SHIFTING REGISTER COMPRISING A SERIES OF DATA STORAGE STAGES FOR STORING ITEMS OF DATA; A CORRESPONDING SERIES OF TWO-STATE FLIP-FLOPS NORMALLY IN AN UNOPERATED STATE; A SOURCE OF FIRST INPUT PULSES; MEANS FOR APPLYING SAID FIRST INPUT PULSES TO THE FIRST FLIP-FLOP OF THE SERIES TO SET IT TO AN OPERATED STATE; MEANS OPERATIVE IN RESPONSE TO SAID FIRST INPUT PULSES TO ENTER ITEMS OF DATA INTO THE FIRST STORAGE STAGE; A SOURCE OF SECOND INPUT PULSES; MEANS FOR APPLYING SAID SECOND INPUT PULSES TO THE LAST FLIP-FLOP OF THE SERIES TO SET IT TO ITS UNOPERATED STATE; MEANS OPERATIVE IN RESPONSE TO SAID SECOND INPUT PULSES TO READ OUT ITEMS OF DATA FROM THE FINAL STORAGE STAGE; A GATING CIRCUIT CONNECTED TO EACH PAIR OF ADJACENT FLIP-FLOPS AND RESPONSIVE TO SETTING OF THE EARLIER FLIP-FLOP OF THE PAIR TO ITS OPERATED STATE AND THE LATER FLIP-FLOP OF THE PAIR TO ITS UNOPERATED STATE TO GENERATE
Claim 2
Dependent Claim
157 words
A SHIFTING REGISTER COMPRISING A SERIES OF DATA STORAGE STAGES FOR STORING ITEMS OF DATA; A CORRESPONDING SERIES OF TWO-STATE FLIP-FLOPS NORMALLY IN AN UNOPERATED STATE; A SOURCE OF FIRST INPUT PULSES; MEANS FOR APPLYING SAID FIRST INPUT PULSES TO THE FIRST FLIP-FLOP OF THE SERIES TO SET IT TO AN OPERATED STATE; MEANS OPERATIVE IN RESPONSE TO SAID FIRST INPUT PULSES TO ENTER ITEMS OF DATA INTO THE FIRST STORAGE STAGE; A SOURCE OF SECOND INPUT PULSES; MEANS FOR APPLYING SAID SECOND INPUT PULSES TO THE LAST FLIP-FLOP OF THE SERIES TO SET IT TO ITS UNOPERATED STATE; MEANS OPERATIVE IN RESPONSE TO SAID SECOND INPUT PULSES TO READ OUT ITEMS OF DATA FROM THE FINAL STORAGE STAGE; A GATING CIRCUIT CONNECTED TO EACH PAIR OF ADJACENT FLIP-FLOPS AND RESPONSIVE TO SETTING OF THE EARLIER FLIP-FLOP OF THE PAIR TO ITS OPERATED STATE AND THE LATER FLIP-FLOP OF THE PAIR TO ITS UNOPERATED STATE TO GENERATE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |