US3382572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing extended tab core memory frames
Assignee: CARL T CRAWFORD
•
Filing: 1965-12-28
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Granted: 1968-05-14
•
Expires: 1985-12-28
Abstract
No abstract record available.
Inventors
- 👤 Carl T Crawford
- 👤 William W Everling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:31
CPC Classifications
G; G11; G11C; G11C5/00; G11C5/02; G11C5/04; G11C5/05; G11C11/00; G11C11/02; G11C11/04; 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)
US2961746A
Cited
US3126526A
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US3017615A
Cited
US3178802A
Cited
US3176191A
Cited
US3196416A
Cited
US3177103A
Cited
US3311966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |