US3449594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic circuits employing complementary pairs of field-effect transistors
Assignee: RCA Corp
•
Filing: 1965-12-30
•
Granted: 1969-06-10
•
Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 John James Gibson
- 👤 Joseph R Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:09
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/094; H03K19/0944; H03K19/0948
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3260863A
Cited
US3267295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |