Patent FR2218530A1 successfully refreshed from Google Patents.
US2688110A
Expired / Lapsed
US
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Semiconductor translating device
Assignee: AT&T Inc
•
Filing: 1950-11-30
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Granted: 1954-08-31
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Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Domaleski
- 👤 Emmet L Gartland
- 👤 Joseph J Kleimack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:29
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10W74/47; H10W74/10; H10W74/111; H10W74/121; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T29/49171; Y10T29/49172
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2432594A
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US2472938A
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US2468845A
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US2467811A
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US2475641A
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US2516344A
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US2572993A
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US2606960A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |