US3343138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data processor employing double indexing
Assignee: AT&T Inc
•
Filing: 1964-10-07
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Granted: 1967-09-19
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Expires: 1984-10-07
Abstract
No abstract record available.
Inventors
- 👤 Ulrich Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:08
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/34; G06F9/355
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A DATA PROCESSOR COMPRISING A DATA WORD STORE, A PLURALITY OF INDEX REGISTERS, AN INSTRUCTION WORD REGISTER REPRESENTING AN INSTRUCTION WORD HAVING CONSTANT AND CONTROL PARTS, AN INDEX ADDER, MEANS FOR TRANSMITTING A PORTION OF SAID CONSTANT PART TO SAID INDEX ADDER, MEANS RESPONSIVE TO A FIRST REPRESENTATION IN SAID CONTROL PART FOR TRANSMITTING THE REMAINING PORTION OF SAID CONSTANT PART TO SAID INDEX ADDER AND RESPONSIVE TO A SECOND REPRESENTATION IN SAID CONTROL PART FOR TRANSMITTING TO SAID INDEX ADDER A PART OF THE DATA WORD CONTAINED IN A PREDETERMINED ONE OF SAID INDEX REGISTERS IN ACCORDANCE WITH THE INFORMATION REPRESENTED BY SAID REMAINING PORTION OF SAID CONSTANT PART,
References Cited (Backward Citations)
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |