Patent US3524997A successfully refreshed from Google Patents.
US3524997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monolithic integrated phase control circuits
Assignee: General Electric Co
•
Filing: 1967-09-08
•
Granted: 1970-08-18
•
Expires: 1987-09-08
Abstract
No abstract record available.
Inventors
- 👤 John D Harnden Jr
- 👤 Jerry L Stratton
- 👤 Donald L Watrous
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:01
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/353; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/445; H02; H02M; H02M1/00; H02M1/08; H02M1/088; H02M1/092; H03K17/00; H03K17/13; H03K17/136; H03K17/94; H03K17/945
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |