US2820152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor network
Assignee: General Electric Co
•
Filing: 1954-06-15
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Granted: 1958-01-14
•
Expires: 1974-06-15
Abstract
No abstract record available.
Inventors
- 👤 Vernon P Mathis
- 👤 Jerome J Suran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:46
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/35; H03K3/351
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2524034A
Cited
US2681993A
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US2502479A
Cited
US2600500A
Cited
US2585078A
Cited
US2657360A
Cited
US2769926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |