US3203836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the preparation of copper sulfide films and products obtained thereby
Assignee: General Electric Co
•
Filing: 1961-08-29
•
Granted: 1965-08-31
•
Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 Gaynor Joseph
- 👤 James F Burgess
- 👤 Bernard C Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:19
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C23C14/562; C03; C03C; C03C17/00; C03C17/22; C23C14/0021; C23C14/06; C23C14/0623; C23C14/14; C23C14/20; C23C14/58; C23C14/5846; C23C14/5866; C23C26/00; C23C8/00; C23C8/06; C23C8/08; G; G03; G03G; G03G5/00; G03G5/10; G03G5/104; H; H01; H01B; H01B1/00; C03C2217/00; C03C2217/20; C03C2217/28; C03C2217/287; C03C2217/288; C03C2218/00; C03C2218/10; C03C2218/15; C03C2218/151; C03C2218/30; C03C2218/32; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/31504; Y10T428/31507; Y10T428/3154; Y10T428/31678; Y10T428/31681; Y10T428/31692; Y10T428/31696; Y10T428/31707; Y10T428/3171
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD FOR THE PREPARATION OF TRANSPARENT ELECTRICALLY CONDUCTING COPPER SULFIDE FILM IN SITU WHICH COMPRISES CONTACTING A SUPPORTED PREVIOUSLY DEPOSITED TRANSPARENT FILM OF A REACTIVE COPPER COMPOUND WHICH IS CAPABLE OF REACTING WITH A SULFUR CONTAINING GAS TO FORM COPPER SULFIDE WITH SUCH A SULFUR CONTAINING GAS FOR A PERIOD OF TIME SUFFICIENT TO CONVERT AT LEAST THE SURFACE PORTION OF THE FILM TO COPPER SULFIDE HAVING A HIGHER DEGREE OF TRANSPARENCY TO LIGHT IN THE VISIBLE SPECTRUM THAN THE PREVIOUSLY DEPOSITED TRANSPARENT FILM.
Claim 2
Independent Claim
85 words
A METHOD FOR THE PREPARATION OF TRANSPARENT ELECTRICALLY CONDUCTING COPPER SULFIDE FILM IN SITU WHICH COMPRISES CONTACTING A SUPPORTED PREVIOUSLY DEPOSITED TRANSPARENT FILM OF A REACTIVE COPPER COMPOUND WHICH IS CAPABLE OF REACTING WITH A SULFUR CONTAINING GAS TO FORM COPPER SULFIDE WITH SUCH A SULFUR CONTAINING GAS FOR A PERIOD OF TIME SUFFICIENT TO CONVERT AT LEAST THE SURFACE PORTION OF THE FILM TO COPPER SULFIDE HAVING A HIGHER DEGREE OF TRANSPARENCY TO LIGHT IN THE VISIBLE SPECTRUM THAN THE PREVIOUSLY DEPOSITED TRANSPARENT FILM.
References Cited (Backward Citations)
US1766462A
Cited
US1895684A
Cited
US1870425A
Cited
US1895686A
Cited
US2932592A
Cited
US2867541A
Cited
US3095324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |