US2431591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic computer
Assignee: RCA Corp
•
Filing: 1942-03-31
•
Granted: 1947-11-25
•
Expires: 1962-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard L Snyder
- 👤 Jan A Rajchman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:23
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/26; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1880105A
Cited
US2176720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |