US3130475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical capacitor
Assignee: Packard Bell Electronics Corp
•
Filing: 1960-02-11
•
Granted: 1964-04-28
•
Expires: 1980-02-11
Abstract
No abstract record available.
Inventors
- 👤 Harold F Rieth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:55
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/02; H01G2/06; H01G4/00; H01G4/002; H01G4/018; H01G4/06; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A METHOD OF MANUFACTURING A CERAMIC CAPACITOR, INCLUDING, THE STEPS OF PROVIDING A THIN SHEET OF HIGH TEMPERATURE CONDUCTIVE METAL TO FORM A BASIN-SHAPED DISC HAVING A TURNED-DOWN PERIPHERAL EDGE WITH A THIN STRIP OF METAL EXTENDING FROM THE PERIPHERAL EDGE, DEPOSITING A LAYER OF CERAMIC MATERIAL ON THE BACK OF THE BASINSHAPED DISC, HEATING THE CERAMIC LAYER AND DISC TO A TEMPERATURE OF APPROXIMATELY 2000 DEGREES FAHRENHEIT, DEPOSITING A THIN LAYER OF SILVER ON A PORTION OF THE CERAMIC LAYER, HEATING THE SILVER LAYER, THE CERAMIC LAYER AND THE DISC TO A TEMPERATURE OF APPROXIMATELY 1000 DEGREES FAFRENHEIT, AND SOLDERING A THIN STROP OF CONDUCTIVE MATERIAL TO THE SILVER LAYER.
Claim 2
Independent Claim
111 words
A METHOD OF MANUFACTURING A CERAMIC CAPACITOR, INCLUDING, THE STEPS OF PROVIDING A THIN SHEET OF HIGH TEMPERATURE CONDUCTIVE METAL TO FORM A BASIN-SHAPED DISC HAVING A TURNED-DOWN PERIPHERAL EDGE WITH A THIN STRIP OF METAL EXTENDING FROM THE PERIPHERAL EDGE, DEPOSITING A LAYER OF CERAMIC MATERIAL ON THE BACK OF THE BASINSHAPED DISC, HEATING THE CERAMIC LAYER AND DISC TO A TEMPERATURE OF APPROXIMATELY 2000 DEGREES FAHRENHEIT, DEPOSITING A THIN LAYER OF SILVER ON A PORTION OF THE CERAMIC LAYER, HEATING THE SILVER LAYER, THE CERAMIC LAYER AND THE DISC TO A TEMPERATURE OF APPROXIMATELY 1000 DEGREES FAFRENHEIT, AND SOLDERING A THIN STROP OF CONDUCTIVE MATERIAL TO THE SILVER LAYER.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |