US3234529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-permanent memory
Assignee: RCA Corp
•
Filing: 1962-10-23
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Granted: 1966-02-08
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Expires: 1982-10-23
Abstract
No abstract record available.
Inventors
- 👤 Chia Y Hsueh
- 👤 David E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
H; H03; H03M; H03M1/00; G; G11; G11C; G11C17/00; G11C17/02; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A MEMORY CONSTRUCTION COMPRISING A PLURALITY OF MAGNETIC CORES EACH HAVING TWO APERTURES WITH A CENTRAL MAGNETIC LEG THEREBETWEEN, A PLURALITY OF PRIMARY WINDINGS EACH EXTENDING THROUGH APERTURES OF ALL OF SAID CORES, A PRIMARY WINDING EXTENDING THROUGH SOLELY ONE APERTURE OF A CORE TO STORE A "+," EXTENDING SOLELY THROUGH THE OTHER APERTURE OF A CORE TO STORE A "-," AND EXTENDING IN PARALLEL PATHS THROUGH BOTH OF THE APERTURES OF A CORE TO STORE A "O," AND A SECONDARY WINDING WOUND AROUND THE CENTRAL LEG OF EACH OF SAID MAGNETIC CORES.
Claim 2
Dependent Claim
93 words
A MEMORY CONSTRUCTION COMPRISING A PLURALITY OF MAGNETIC CORES EACH HAVING TWO APERTURES WITH A CENTRAL MAGNETIC LEG THEREBETWEEN, A PLURALITY OF PRIMARY WINDINGS EACH EXTENDING THROUGH APERTURES OF ALL OF SAID CORES, A PRIMARY WINDING EXTENDING THROUGH SOLELY ONE APERTURE OF A CORE TO STORE A "+," EXTENDING SOLELY THROUGH THE OTHER APERTURE OF A CORE TO STORE A "-," AND EXTENDING IN PARALLEL PATHS THROUGH BOTH OF THE APERTURES OF A CORE TO STORE A "O," AND A SECONDARY WINDING WOUND AROUND THE CENTRAL LEG OF EACH OF SAID MAGNETIC CORES.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |