US3244948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonds for oxidized materials
Assignee: Raytheon Co
•
Filing: 1962-07-12
•
Granted: 1966-04-05
•
Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:31
CPC Classifications
H; H10; H10P; H10P95/00; H10W; H10W72/00; H10W72/30; H10W74/00; H10W74/40; H10W74/43; H10W72/071; H10W72/073; H10W72/07331; H10W72/07337; H10W72/50; H10W72/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A SILICON SEMICONDUCTOR CRYSTAL HAVING A MILM OF OXIDE MATERIAL ON A SURFACE THEREOF; A FILM OF GERMANIUM ON SAID OXIDE MATERIAL FILM; A BODY HAVING A GERMANIUM FILM ON A SURFACE THEREOF; AND AN ALLOY BOND BETWEEN SAID GERMANIUM FILMS.
Claim 2
Dependent Claim
41 words
A SILICON SEMICONDUCTOR CRYSTAL HAVING A MILM OF OXIDE MATERIAL ON A SURFACE THEREOF; A FILM OF GERMANIUM ON SAID OXIDE MATERIAL FILM; A BODY HAVING A GERMANIUM FILM ON A SURFACE THEREOF; AND AN ALLOY BOND BETWEEN SAID GERMANIUM FILMS.
References Cited (Backward Citations)
US2555001A
Cited
US2904450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |