US2917684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductive electrode system
Assignee: US Philips Corp
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Filing: 1956-09-05
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Granted: 1959-12-15
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Expires: 1976-09-05
Abstract
No abstract record available.
Inventors
- 👤 Becherer Hans Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:33
CPC Classifications
H; H10; H10P; H10P95/00; H10P50/00; H10P50/69; H10P50/691; H10W; H10W72/00; H10W72/50; H10W72/531; H10W72/536; H10W72/851; H10W72/874; H10W72/884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A SEMI-CONDUCTIVE DEVICE CONTAINING A SEMI-CONDUCTIVE BODY AND A FUSED ELECTRODE THEREON AND SUBJECT TO AN ETCHING TREATMENT AFTER THE ELECTRODE HAS BEEN MADE AND CONTACTED, A CONDUCTIVE LEAD CONNECTED TO THE ELECTRODE AND OF WHICH THE PORTION THEREOF ADJACENT THE BODY IS CONSTITUTED OF A CHROMIUM-NICKEL ALLOY CONTAINING SUFFICIENT CHROMIUM AND NICKEL TO RESIST CHEMICAL ATTACK DURING THE ETCHING TREATMENT.
Claim 2
Dependent Claim
62 words
IN A SEMI-CONDUCTIVE DEVICE CONTAINING A SEMI-CONDUCTIVE BODY AND A FUSED ELECTRODE THEREON AND SUBJECT TO AN ETCHING TREATMENT AFTER THE ELECTRODE HAS BEEN MADE AND CONTACTED, A CONDUCTIVE LEAD CONNECTED TO THE ELECTRODE AND OF WHICH THE PORTION THEREOF ADJACENT THE BODY IS CONSTITUTED OF A CHROMIUM-NICKEL ALLOY CONTAINING SUFFICIENT CHROMIUM AND NICKEL TO RESIST CHEMICAL ATTACK DURING THE ETCHING TREATMENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |