US3333985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fabricating reproducible photoconductors
Assignee: International Business Machines Corp
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Filing: 1963-12-16
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Granted: 1967-08-01
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Berkenblit Melvin
- 👤 Cheroff George
- 👤 Hochberg Frederick
- 👤 Reisman Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:28
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/20; H10F77/206; H10F71/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCESS FOR FABRICATING REPODUCIBLE CDSE PHOTOCONDUCTOR ELEMENTS HAVING ENCHANCED REPRODUCIBLE CURRENT-VOLTAGE CHARACTERISTICS AND ENCHANCED LIGHT SENSITIVITY WHICH COMPRISES SUBJECTING PHOTOCONDUCTOR ELEMENTS HAVING SILVER PASTE ELECTRODES ATTACHED TO A TEMPERATURE OF 150*-190*C. IN A HYDROGEN ATMOSPHERE AT A FLOW RATE OF 0.5 TO 1.5 CU. FT./HR. FOR 12-18 HOURS AND THEN COOLING.
Claim 2
Dependent Claim
52 words
A PROCESS FOR FABRICATING REPODUCIBLE CDSE PHOTOCONDUCTOR ELEMENTS HAVING ENCHANCED REPRODUCIBLE CURRENT-VOLTAGE CHARACTERISTICS AND ENCHANCED LIGHT SENSITIVITY WHICH COMPRISES SUBJECTING PHOTOCONDUCTOR ELEMENTS HAVING SILVER PASTE ELECTRODES ATTACHED TO A TEMPERATURE OF 150*-190*C. IN A HYDROGEN ATMOSPHERE AT A FLOW RATE OF 0.5 TO 1.5 CU. FT./HR. FOR 12-18 HOURS AND THEN COOLING.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |