US3107337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical element having a conductive film
Assignee: Individual
•
Filing: 1959-12-28
•
Granted: 1963-10-15
•
Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 Wilbur M Kohring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:59
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/20; H01B; H01B1/00; H01B1/20; H01B1/24; H01C17/075; H01C17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN ARTICLE OF MANUFACTURE COMPRISING A NON-CONDUCTIVE CARRIER, A CURRENT-CONDUCTING HOMOGENEOUS FILM ON SAID CARRIER, SAID FILM CONSISTING ESSENTIALLY OF CARBON AND METAL FORMED BY CO-VAPORIZATION OF CARBON AND A METAL DIRECTLY UNITED TOGETHER AS A HOMOGENEOUS LAYER AND BONDED FROM A GASEOUS STATE DIRECTLY ON SAID CARRIER, SAID CARBON AND METAL HAVING BEEN DISASSOCIATED IN A GASEOUS STATE FROM A MATERIAL CONSISTING ESSENTIALLY OF A HYDROCARBON AND AN ORGANO-METAL COMPOUND WITH SAID HYDROCARBON BEING AT LEAST AS HIGH AS 90% OF SAID MATERIAL, SAID FILM HAVING A TEMPERATURE COEFFICIENT OF RESISTANCE DIFFERENT FROM THAT OF SAID CARBON, AND CURRENT-CONDUCTING MEANS ON SPACED PORTIONS OF SAID FILM.
Claim 2
Dependent Claim
107 words
AN ARTICLE OF MANUFACTURE COMPRISING A NON-CONDUCTIVE CARRIER, A CURRENT-CONDUCTING HOMOGENEOUS FILM ON SAID CARRIER, SAID FILM CONSISTING ESSENTIALLY OF CARBON AND METAL FORMED BY CO-VAPORIZATION OF CARBON AND A METAL DIRECTLY UNITED TOGETHER AS A HOMOGENEOUS LAYER AND BONDED FROM A GASEOUS STATE DIRECTLY ON SAID CARRIER, SAID CARBON AND METAL HAVING BEEN DISASSOCIATED IN A GASEOUS STATE FROM A MATERIAL CONSISTING ESSENTIALLY OF A HYDROCARBON AND AN ORGANO-METAL COMPOUND WITH SAID HYDROCARBON BEING AT LEAST AS HIGH AS 90% OF SAID MATERIAL, SAID FILM HAVING A TEMPERATURE COEFFICIENT OF RESISTANCE DIFFERENT FROM THAT OF SAID CARBON, AND CURRENT-CONDUCTING MEANS ON SPACED PORTIONS OF SAID FILM.
References Cited (Backward Citations)
GB563204A
Cited
US2366614A
Cited
GB680977A
Cited
US2671735A
Cited
US2764510A
Cited
US2778743A
Cited
US2950995A
Cited
US2950996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |