US3226610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant-current semiconductor device
Assignee: Individual
•
Filing: 1962-06-19
•
Granted: 1965-12-28
•
Expires: 1982-06-19
Abstract
No abstract record available.
Inventors
- 👤 Jr George G Harman
- 👤 Owen L Meyer
- 👤 Richard L Raybold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:56
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/40; H10W76/42; H10W76/48; H10D; H10D99/00; H10W72/00; H10W76/01; H10W76/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2109879A
Cited
US2227827A
Cited
US2375355A
Cited
US2711511A
Cited
US2714149A
Cited
GB795031A
Cited
US3051895A
Cited
US2856681A
Cited
US2887453A
Cited
US3003900A
Cited
US3097977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |