US3229255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory system
Assignee: International Business Machines Corp
•
Filing: 1959-12-10
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Granted: 1966-01-11
•
Expires: 1979-12-10
Abstract
No abstract record available.
Inventors
- 👤 John L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/06; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A CRYOGENIC MEMORY SYSTEM OPERABLE AT A SUPERCONDUCTIVE TEMPERATURE, SAID SYSTEM BEING SELECTIVELY OPERABLE IN THE COORDINATE ADDRESS MODE AND THE ASSOCIATIVE ADDRESS MODE, COMPRISING; A PLURALITY OF REGISTER FOR STORING INFORMATION; EACH OF SAID REGISTERS HAVING A UNIQUE ADDRESS AND BEING CAPABLE OF BEING CONDITIONED TO READ-IN AND READ-OUT INFORMATION; A CURRENT SOURCE; SUPERCONDUCTING MEANS FOR CONDUCTING CURRENT FROM SAID SOURCE THROUGH A QUIESCENT SUPERCONDUCTING PATH IN EACH OF SAID REGISTERS; A PLURALITY OF INTERROGATING MEANS FOR CONDITIONING SAID REGISTERS BY SHIFTING SAID CURRENT FROM SAID QUIES-
Claim 2
Dependent Claim
88 words
A CRYOGENIC MEMORY SYSTEM OPERABLE AT A SUPERCONDUCTIVE TEMPERATURE, SAID SYSTEM BEING SELECTIVELY OPERABLE IN THE COORDINATE ADDRESS MODE AND THE ASSOCIATIVE ADDRESS MODE, COMPRISING; A PLURALITY OF REGISTER FOR STORING INFORMATION; EACH OF SAID REGISTERS HAVING A UNIQUE ADDRESS AND BEING CAPABLE OF BEING CONDITIONED TO READ-IN AND READ-OUT INFORMATION; A CURRENT SOURCE; SUPERCONDUCTING MEANS FOR CONDUCTING CURRENT FROM SAID SOURCE THROUGH A QUIESCENT SUPERCONDUCTING PATH IN EACH OF SAID REGISTERS; A PLURALITY OF INTERROGATING MEANS FOR CONDITIONING SAID REGISTERS BY SHIFTING SAID CURRENT FROM SAID QUIES-
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |