US2831784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gastinger
Assignee: —
•
Filing: —
•
Granted: 1958-04-22
•
Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
C; C23; C23C; C23C16/00; H; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS OF COATING A LAYER OF GERMANIUM ONTO A SURFACE OF A SOLID BASE BODY WHICH IS CHEMICALLY AND PHYSICALLY INERT AT TEMPERATURES BETWEEN 400*C. AND 600*C. AND WHICH DOES NOT FORM AN ALLOY WITH GERMANIUM COMPRISING PRODUCING VOLATILE GERMANIUM MONOXIDE IN VAPOR FORM BY HEATING A GERMANIUM AND GERMANIUM DIOXIDE MATERIAL AT A TEMPERATURE ABOVE 600*C. AND 1000*C. AND UNDER A PRESSURE OF LESS THAN ONE ATMOSPHERE IN A STREAM OF CARBON DIOXIDE AND CARBON MONODIDE, CONDENSING SAID VOLTAGE MONOXIDE ON SAID SURFACE OF SAID SOLID BASE AT A TEMPERATURE BELOW 600*C. IN THE
Claim 2
Dependent Claim
96 words
A PROCESS OF COATING A LAYER OF GERMANIUM ONTO A SURFACE OF A SOLID BASE BODY WHICH IS CHEMICALLY AND PHYSICALLY INERT AT TEMPERATURES BETWEEN 400*C. AND 600*C. AND WHICH DOES NOT FORM AN ALLOY WITH GERMANIUM COMPRISING PRODUCING VOLATILE GERMANIUM MONOXIDE IN VAPOR FORM BY HEATING A GERMANIUM AND GERMANIUM DIOXIDE MATERIAL AT A TEMPERATURE ABOVE 600*C. AND 1000*C. AND UNDER A PRESSURE OF LESS THAN ONE ATMOSPHERE IN A STREAM OF CARBON DIOXIDE AND CARBON MONODIDE, CONDENSING SAID VOLTAGE MONOXIDE ON SAID SURFACE OF SAID SOLID BASE AT A TEMPERATURE BELOW 600*C. IN THE
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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |