US2673792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making condenser
Assignee: GULTON Manufacturing CORP
•
Filing: 1950-10-23
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Granted: 1954-03-30
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Expires: 1970-10-23
Abstract
No abstract record available.
Inventors
- 👤 Edith M Gulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:25
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR PRODUCING A SILVERED CERAMIC CAPACITOR COMPRISING THE STEPS OF, SILVERING THE FACES OF A CERAMIC SHEET BY APPLYING A SILVER COATING THERETO, COMPLETELY COVERING THE SILVERED FACES WITH AN ACID RESISTANT SUBSTANCE BUT LEAVING THE EDGES THEREOF EXPOSED, SUBJECTING THE EXPOSED EDGES OF THE SILVERED CERAMIC SHEET TO AN ACID FOR ETCHING THE EDGES OF THE SILVER COATINGS, AND REMOVING THE ACID RESISTANT SUBSTANCE.
Claim 2
Dependent Claim
67 words
A PROCESS FOR PRODUCING A SILVERED CERAMIC CAPACITOR COMPRISING THE STEPS OF, SILVERING THE FACES OF A CERAMIC SHEET BY APPLYING A SILVER COATING THERETO, COMPLETELY COVERING THE SILVERED FACES WITH AN ACID RESISTANT SUBSTANCE BUT LEAVING THE EDGES THEREOF EXPOSED, SUBJECTING THE EXPOSED EDGES OF THE SILVERED CERAMIC SHEET TO AN ACID FOR ETCHING THE EDGES OF THE SILVER COATINGS, AND REMOVING THE ACID RESISTANT SUBSTANCE.
References Cited (Backward Citations)
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Cited
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Cited
US2437212A
Cited
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Cited
US2607825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |