Patent US3348069A successfully refreshed from Google Patents.
US3348069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible shift register with simultaneous reception and transfer of information byeach stage
Assignee: FABRI TEK Inc
•
Filing: 1965-05-07
•
Granted: 1967-10-17
•
Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Richard J Petschauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:19
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A SHIFT REGISTER COMPRISING: A PLURALITY OF SERIALLY RELATED BISTABLE CIRCUITS, EACH OF SAID BISTABLE CIRCUITS BEING A STAGE OF THE SHIFT REGISTER; EACH OF SAID BISTABLE CIRCUITS HAVING MEANS FOR RECEIVING IMPULSES FROM A RIGHT ADJACENT STAGE AND MEANS RECEIVING IMPULSES FROM A LEFT ADJACENT STAGE; MEANS INCLUDING TIME DELAY MEANS CONNECTED TO SAID BISTABLE CIRCUITS FOR SIMULTANEOUS RECEPTION AND TRANSMISSION OF INFORMATION THEREBY; LEFT SHIFT PULSE MEANS CONNECTED BY A COMMON OUTPUT BUS TO SAID SBISTABLE CIRCUITS, AND RIGHT SHIFT PULSE MEANS CONNECTED BY ANOTHER COMMON OUTPUT BUS TO SAID BISTABLE CIRCUITS, SAID LEFT SHIFT PULSE MEANS AND SAID RIGHT SHIFT PULSE MEANS ADAPTED TO SERIALLY SHIFT INFORMATION STORED IN THE SHIFT REGISTER LEFT AND RIGHT, RESPECTIVELY.
Claim 2
Dependent Claim
119 words
A SHIFT REGISTER COMPRISING: A PLURALITY OF SERIALLY RELATED BISTABLE CIRCUITS, EACH OF SAID BISTABLE CIRCUITS BEING A STAGE OF THE SHIFT REGISTER; EACH OF SAID BISTABLE CIRCUITS HAVING MEANS FOR RECEIVING IMPULSES FROM A RIGHT ADJACENT STAGE AND MEANS RECEIVING IMPULSES FROM A LEFT ADJACENT STAGE; MEANS INCLUDING TIME DELAY MEANS CONNECTED TO SAID BISTABLE CIRCUITS FOR SIMULTANEOUS RECEPTION AND TRANSMISSION OF INFORMATION THEREBY; LEFT SHIFT PULSE MEANS CONNECTED BY A COMMON OUTPUT BUS TO SAID SBISTABLE CIRCUITS, AND RIGHT SHIFT PULSE MEANS CONNECTED BY ANOTHER COMMON OUTPUT BUS TO SAID BISTABLE CIRCUITS, SAID LEFT SHIFT PULSE MEANS AND SAID RIGHT SHIFT PULSE MEANS ADAPTED TO SERIALLY SHIFT INFORMATION STORED IN THE SHIFT REGISTER LEFT AND RIGHT, RESPECTIVELY.
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |