US3759798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing electrically insulated aluminum contacts
Assignee: Individual
•
Filing: 1970-01-28
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Granted: 1973-09-18
•
Expires: 1990-01-28
Abstract
Abstract A METHOD OF PRODUCING ELECTRICALLY INSULATED ALUMINUM CONTACTS FOR PLANARLY PRODUCED SEMICONDUCTOR DEVICE COMPONENTS COMPRISES DIRECTLY OXIDIZING AN ALUMINUM CONTACT TO FORM AN INSULATING LAYER OF ALUMINUM OXIDE THEREON.
Inventors
- 👤 H Grafe
- 👤 H Ullrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/60; H10P14/63; H10P14/6302; H10P14/6304; H10P14/6314; H10D; H10D99/00; H10N; H10N97/00; H10P14/6326; H10P14/6328; H10P14/6329; H10P14/66; H10P14/662; H10P14/69; H10P14/694; H10P14/6943; H10P14/69433; H10P95/00; H10W; H10W20/00; H10W20/40; H10W74/00; H10W74/40; H10P14/6322; H10P14/6324; H10P14/668; H10P14/6681; H10P14/6684; H10P14/6686; H10P14/692; H10P14/6921; H10P14/69215; H10P14/6938; H10P14/6939; H10P14/69391
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |