US2525668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electrical condensers
Assignee: Erie Resistor Corp
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Filing: 1949-02-05
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Granted: 1950-10-10
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Expires: 1969-02-05
Abstract
No abstract record available.
Inventors
- 👤 Robert B Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:43
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/005; H01G4/008; H01G4/0085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE METHOD OF MAKING ELECTRICAL CONDENSERS WHICH WHEN FINISHED HAVE A DIELECTRIC WITH OPPOSITE METALLIZED SURFACES WHICH INCLUDES PROGRESSIVELY APPLYING TO ONE OF THE SURFACES OF THE DIELECTRIC IN OVERLAPPING RELATION TO THE OPPOSITE METALLIZED SURFACE OF THE DIELECTRIC AN ELECTRICALLY CONDUCTIVE METALLIC PAINT OF THE TYPE REDUCIBLE BY FIRING TO A METALLIZED COATING WHILE MEASURING
Claim 2
Independent Claim
56 words
THE METHOD OF MAKING ELECTRICAL CONDENSERS WHICH WHEN FINISHED HAVE A DIELECTRIC WITH OPPOSITE METALLIZED SURFACES WHICH INCLUDES PROGRESSIVELY APPLYING TO ONE OF THE SURFACES OF THE DIELECTRIC IN OVERLAPPING RELATION TO THE OPPOSITE METALLIZED SURFACE OF THE DIELECTRIC AN ELECTRICALLY CONDUCTIVE METALLIC PAINT OF THE TYPE REDUCIBLE BY FIRING TO A METALLIZED COATING WHILE MEASURING
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |