Patent US3534471A successfully refreshed from Google Patents.
US3534471A
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Method of making a computer memory stack
Assignee: United States Department of the Army
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Filing: 1967-06-09
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Granted: 1970-10-20
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Expires: 1987-06-09
Abstract
No abstract record available.
Inventors
- 👤 Richard W Babbitt
- 👤 Joseph Newberg
- 👤 William Schlosser
- 👤 Lydia A Suchoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:48
CPC Classifications
H; H01; H01F; H01F10/00; H01F10/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2985939A
Cited
US2990602A
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US3189550A
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US3333333A
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US3376561A
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US3379523A
Cited
US3400455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |