US2675471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrating circuit
Assignee: General Electric Co
•
Filing: 1950-04-13
•
Granted: 1954-04-13
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore M Berry
- 👤 Jr George R Fawkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:15
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB520411A
Cited
US2412485A
Cited
US2594104A
Cited
US2584882A
Cited
US2548532A
Cited
US2458599A
Cited
US2487510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |