US2616625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical computing system
Assignee: AT&T Inc
•
Filing: 1946-07-26
•
Granted: 1952-11-04
•
Expires: 1966-07-26
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Griest
- 👤 Dean E Wooldridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:02
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2402024A
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US2385952A
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US2407325A
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US2412585A
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US2427463A
Cited
US2420016A
Cited
US2414819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |