Patent US2780799A successfully refreshed from Google Patents.
Patent US3261000A successfully refreshed from Google Patents.
US3261000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Associative memory logical connectives
Assignee: International Business Machines Corp
•
Filing: 1961-12-22
•
Granted: 1966-07-12
•
Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Floyd A Behnke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:11
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; G11C15/00; G11C15/06; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN AN INFORMATION RETRIEVAL SYSTEM EMPLOYING A PLURALITY OF WORD REGISTERS STORING WORDS IN BINARY FORM, MEANS FOR SUBDIVIDING EACH WORD INTO A PLURALITY OF CORRESPONDING WORD SECTIONS OR PREDETERMINED BIT LENGTHS, AN INTERROGATION REGISTER FOR STORING A PLURALITY OF SUCH WORD SECTIONS, MEANS FOR PERFORMING A SIMULTANEOUS MULTI-FIELD COMPARISON BETWEEN ALL CORRESPONDING FIELDS COMPOSED OF A VARIBALE NUMBER OF WORD SECTIONS IN SAID WORD REGISTERS WITH CORRESPONDING FIELDS IN SAID INTERROGATION REGISTER, AND A LOGICAL CONNECTIVE BETWEEN ADJACENT WORD SECTIONS IN EVERY WORD REGISTER, SAID LOGICAL CONNECTIVE BEING OPERATIVE TO CARRY OUT THE AND OR FUNCTION BETWEEN SUCCESSIVE FIELDS OF INTEREST DURING SAID SIMULTANEOUS MULTIFIELD COMPARISON.
Claim 2
Dependent Claim
107 words
IN AN INFORMATION RETRIEVAL SYSTEM EMPLOYING A PLURALITY OF WORD REGISTERS STORING WORDS IN BINARY FORM, MEANS FOR SUBDIVIDING EACH WORD INTO A PLURALITY OF CORRESPONDING WORD SECTIONS OR PREDETERMINED BIT LENGTHS, AN INTERROGATION REGISTER FOR STORING A PLURALITY OF SUCH WORD SECTIONS, MEANS FOR PERFORMING A SIMULTANEOUS MULTI-FIELD COMPARISON BETWEEN ALL CORRESPONDING FIELDS COMPOSED OF A VARIBALE NUMBER OF WORD SECTIONS IN SAID WORD REGISTERS WITH CORRESPONDING FIELDS IN SAID INTERROGATION REGISTER, AND A LOGICAL CONNECTIVE BETWEEN ADJACENT WORD SECTIONS IN EVERY WORD REGISTER, SAID LOGICAL CONNECTIVE BEING OPERATIVE TO CARRY OUT THE AND OR FUNCTION BETWEEN SUCCESSIVE FIELDS OF INTEREST DURING SAID SIMULTANEOUS MULTIFIELD COMPARISON.
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |