US2668877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical translator
Assignee: AT&T Inc
•
Filing: 1947-11-04
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Granted: 1954-02-09
•
Expires: 1967-11-04
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Gent
- 👤 Oscar Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:31
CPC Classifications
G; G06; G06K; G06K21/00; G06K21/04; H; H04; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/32; H04Q1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2002808A
Cited
US2361246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |