US3109969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor for use at high operating voltages
Assignee: US Philips Corp
•
Filing: 1960-06-28
•
Granted: 1963-11-05
•
Expires: 1980-06-28
Abstract
No abstract record available.
Inventors
- 👤 Seidel Eberhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:47
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A HIGH-VOLTAGE CAPACITOR COMPRISING A CAPACITOR UNIT HAVING A SHARP EDGE AND PROVIDED WITH LEAD WIRES, A COATING OF A DIPPING PASTE ON THE SURFACE OF THE UNIT AND BEING OF SUFFICIENT THICKNESS TO ROUND-OFF THE SHARP EDGE, AND A THIN HIGHLY-INSULATING LAYER OF AN AIR-DRIED ETHYL CELLULOSE LACQUER ON THE SURFACE OF SAID COATING.
Claim 2
Dependent Claim
55 words
A HIGH-VOLTAGE CAPACITOR COMPRISING A CAPACITOR UNIT HAVING A SHARP EDGE AND PROVIDED WITH LEAD WIRES, A COATING OF A DIPPING PASTE ON THE SURFACE OF THE UNIT AND BEING OF SUFFICIENT THICKNESS TO ROUND-OFF THE SHARP EDGE, AND A THIN HIGHLY-INSULATING LAYER OF AN AIR-DRIED ETHYL CELLULOSE LACQUER ON THE SURFACE OF SAID COATING.
References Cited (Backward Citations)
US1929559A
Cited
US1844324A
Cited
US2399313A
Cited
US2822483A
Cited
US2997403A
Cited
US2927048A
Cited
US3021234A
Cited
US2978371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |