Patent US2902633A successfully refreshed from Google Patents.
US2902633A
Expired / Lapsed
US
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Housing containing electrical crystal surrounded by siloxane resin-calcium chloride composition
Assignee: TDK Micronas GmbH
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Filing: 1954-05-20
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Granted: 1959-09-01
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Expires: 1974-05-20
Abstract
No abstract record available.
Inventors
- 👤 Robert F Durst
- 👤 Jacobs Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:38
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/40; H10W76/42; H10W76/48; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROTECTIVE ARRANGEMENT FOR AN ELECTRID CRYSTAL COMPRISING A HOUSING, MEANS FOR SUPPORTING SAID CRYSTAL WITHIN SAID HOUSING, AND MEANS FOR PREVENTING MOISTURE FROM REACHING SAID CRYSTAL COMPRISIGN A DESSICANT AND WATER REPELLANT COMPOSITION SURROUNDING SAID CRYSTAL, SAID COMPOSITION COMPRISING A CO-POLYMER OF DIMETHYLSILOXANE PHENYLMETHYLISILOXANE AND TRIMETHYLSILOXANE, THE CO-POLYMER HAVING AN AVERAGE OF ABOUT 2.05 TOTAL PHENYL AND METHYL GROUPS PER SILICONE ATOM, AND THE DESSICANT BEING ANHYDROUS CALCIUM CHLORIDE IN THE FORM OF A PULVERULENT POWDER THE PARTICLE SIZE BEING NO LARGER THAN 100 MESH, THE PERCENTAGE OF CALCIUM CHLORIDE BEING BETWEEN 2 AND 20% BY WEIGHT OF THE COMPOSITION.
Claim 2
Dependent Claim
101 words
A PROTECTIVE ARRANGEMENT FOR AN ELECTRID CRYSTAL COMPRISING A HOUSING, MEANS FOR SUPPORTING SAID CRYSTAL WITHIN SAID HOUSING, AND MEANS FOR PREVENTING MOISTURE FROM REACHING SAID CRYSTAL COMPRISIGN A DESSICANT AND WATER REPELLANT COMPOSITION SURROUNDING SAID CRYSTAL, SAID COMPOSITION COMPRISING A CO-POLYMER OF DIMETHYLSILOXANE PHENYLMETHYLISILOXANE AND TRIMETHYLSILOXANE, THE CO-POLYMER HAVING AN AVERAGE OF ABOUT 2.05 TOTAL PHENYL AND METHYL GROUPS PER SILICONE ATOM, AND THE DESSICANT BEING ANHYDROUS CALCIUM CHLORIDE IN THE FORM OF A PULVERULENT POWDER THE PARTICLE SIZE BEING NO LARGER THAN 100 MESH, THE PERCENTAGE OF CALCIUM CHLORIDE BEING BETWEEN 2 AND 20% BY WEIGHT OF THE COMPOSITION.
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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |