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US2714702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuits, including semiconductor device
Assignee: AT&T Inc
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Filing: 1951-02-16
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Granted: 1955-08-02
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Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
- 👤 Shockley William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/42; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/18; H03; H03D; H03D1/00; H03D1/08; H03D1/10; H03F; H03F3/00; H03F3/34; H03F3/36; H04M; H04M1/00; H04M1/738; H04M1/74; H04M1/745; H10; H10D; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |