US3294919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible binary counter and shift register with interstage gating means individual to each operating mode
Assignee: AT&T Inc
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Filing: 1963-01-17
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Granted: 1966-12-27
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Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Kerr
- 👤 Jr George F Swetnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:01
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/002; G; G11; G11C; G11C19/00; G11C19/28; H04; H04Q; H04Q3/00; H04Q3/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A COMBINED SHIFT REGISTER AND BINARY COUNTING CIRCUIT INCLUDING A PLURALITY OF TANDEMLY CONNECTED STAGES, INTERSTAGE COUPLING MEANS BETWEEN SAID STAGES, SAID COUPLING MEANS INCLUDING A PLURALITY OF GATES INTERCONNECTING SAID STAGES, MEANS FOR ENABLING A FIRST OF SAID GATES CONTINUOUSLY BETWEEN SAID STAGES, MEANS FOR ENABLING A SECOND OF SAID GATES BETWEEN SAID STAGES FOR OPERATION IN A BINARY COUNTER MODE, MEANS FOR INHIBITING SAID SECOND GATING MEANS AND ENABLING A THIRD GATING MEANS BETWEEN SAID STAGES TO PERMIT OPERATION IN A SHIFT REGISTER MODE, AND ADDITIONAL MEANS FOR TRANSFORMING OPERATING MODES WHILE MAINTAINING THE EXISTING BINARY INPUTS TO SAID GATES.
Claim 2
Dependent Claim
102 words
A COMBINED SHIFT REGISTER AND BINARY COUNTING CIRCUIT INCLUDING A PLURALITY OF TANDEMLY CONNECTED STAGES, INTERSTAGE COUPLING MEANS BETWEEN SAID STAGES, SAID COUPLING MEANS INCLUDING A PLURALITY OF GATES INTERCONNECTING SAID STAGES, MEANS FOR ENABLING A FIRST OF SAID GATES CONTINUOUSLY BETWEEN SAID STAGES, MEANS FOR ENABLING A SECOND OF SAID GATES BETWEEN SAID STAGES FOR OPERATION IN A BINARY COUNTER MODE, MEANS FOR INHIBITING SAID SECOND GATING MEANS AND ENABLING A THIRD GATING MEANS BETWEEN SAID STAGES TO PERMIT OPERATION IN A SHIFT REGISTER MODE, AND ADDITIONAL MEANS FOR TRANSFORMING OPERATING MODES WHILE MAINTAINING THE EXISTING BINARY INPUTS TO SAID GATES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |