Patent US3226610A successfully refreshed from Google Patents.
US3226610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant-current semiconductor device
Assignee: Individual
•
Filing: 1962-06-19
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Granted: 1965-12-28
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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 11:47
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
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References Cited (Backward Citations)
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Cited
US2227827A
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US2375355A
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US2711511A
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US2714149A
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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 |