US2883592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulated selenium rectifiers
Assignee: General Electric Co
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Filing: 1955-12-30
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Granted: 1959-04-21
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Expires: 1975-12-30
Abstract
No abstract record available.
Inventors
- 👤 Lester W Burton
- 👤 Jr John R Thurell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:57
CPC Classifications
H; H10; H10W; H10W90/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE METHOD OF MAKING A SEALED SELF-HEALING SELENIUM RECTIFIER OF THE TYPE HAVING A T LEAST ONE CELL WITH A METAL BASEPLATE, A LAYER OF SELENIUM ON SAID BASEPLATE, AND A COUNTERLECTRODE ON SAID LAYER SUSCEPTIBLE TO LOCALIZED DETERIORATION UNDER INFLUENCE OF OCALIZED SHORT CIRCUITS BETWEEN SAID BASEPLATE AND COUNTERELECTRODE, WHICH COMPRISES DIPPING SAID CELL INTO A WATER EMULSION OF SILENCE OIL SUCH THAT ALL EXPOSED AREAS OF SAID CELL ARE COATED WITH SAID EMULSION, DRYING SAID CELL UNTIL THE WATER FROM SAID EMULSION IS REMOVED AND SAID COUNTERELECTRODE IS COATED WITH A THIN FILM OF SILICONE OIL, LOCATING SAID CELL IN A MOLD. POURING INTO SAID MOLD AND COVERING SAID CELL WITH AN ORGANIC THERMOSETTING CASTING RESIN MATERIAL, AND CURING SAID RESIN MATERIAL AT AN ELEVATED TEMPERATURE.
Claim 2
Independent Claim
128 words
THE METHOD OF MAKING A SEALED SELF-HEALING SELENIUM RECTIFIER OF THE TYPE HAVING A T LEAST ONE CELL WITH A METAL BASEPLATE, A LAYER OF SELENIUM ON SAID BASEPLATE, AND A COUNTERLECTRODE ON SAID LAYER SUSCEPTIBLE TO LOCALIZED DETERIORATION UNDER INFLUENCE OF OCALIZED SHORT CIRCUITS BETWEEN SAID BASEPLATE AND COUNTERELECTRODE, WHICH COMPRISES DIPPING SAID CELL INTO A WATER EMULSION OF SILENCE OIL SUCH THAT ALL EXPOSED AREAS OF SAID CELL ARE COATED WITH SAID EMULSION, DRYING SAID CELL UNTIL THE WATER FROM SAID EMULSION IS REMOVED AND SAID COUNTERELECTRODE IS COATED WITH A THIN FILM OF SILICONE OIL, LOCATING SAID CELL IN A MOLD. POURING INTO SAID MOLD AND COVERING SAID CELL WITH AN ORGANIC THERMOSETTING CASTING RESIN MATERIAL, AND CURING SAID RESIN MATERIAL AT AN ELEVATED TEMPERATURE.
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |