Patent US3505571A successfully refreshed from Google Patents.
US3505571A
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US
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Glass covered semiconductor device
Assignee: General Electric Co
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Filing: 1966-03-17
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Granted: 1970-04-07
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Expires: 1986-03-17
Abstract
No abstract record available.
Inventors
- 👤 Norman E De Volder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:39
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/10; H10W74/111; C; C03; C03C; C03C10/00; C03C10/0054; C03C3/00; C03C3/04; C03C3/062; C03C3/064; C03C3/068; C03C3/07; C03C3/072; C03C3/074; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/087; H10P; H10P14/00; H10P14/60; H10P14/63; H10P14/6326; H10P14/6342; H10P14/69; H10P14/692; H10P14/6921; H10P14/69215; H10P14/6938; H10P14/6939; H10W74/131; H10W74/40; H10W74/43; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/138; H10W76/17; H10W76/18
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |