US2639859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transitory memory circuits
Assignee: RCA Corp
•
Filing: 1950-11-29
•
Granted: 1953-05-26
•
Expires: 1970-11-29
Abstract
No abstract record available.
Inventors
- 👤 Serrell Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:25
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/06; G06F3/0601; G11; G11C; G11C11/00; G11C11/21; G11C11/26; G11C11/28; G11C15/00; G06F3/0668; G06F3/0671; G06F3/0673; G06F3/0682
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2594960A
Cited
US2528394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |