US3179740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corona elimination means
Assignee: Fanner Manufacturing Co
•
Filing: 1962-12-20
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Granted: 1965-04-20
•
Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Seymour N Schlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:59
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/42; H01B17/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AN APPARATUS OF THE CLASS DESCRIBED COMPRISING A PREFORMED ELECTRICALLY CONDUCTIVE HELICAL MEMBER HAVING AN INTERNAL DIAMETER OF THE HELIC SUCH THAT WHEN APPLIED TO A HIGH VOLTAGE LINE THE ADJACENT CONVOLUTIONS ARE IN TIGHTLY GRIPPING RELATION WITH THE LINE FOR AT LEAST MORE THAN ONE PITCH LENGTH AND HAVING A PITCH OF THE HELIX SUCH THAT IT MAY BE APPLIED TO THE LINE WITHOUT
Claim 2
Independent Claim
65 words
AN APPARATUS OF THE CLASS DESCRIBED COMPRISING A PREFORMED ELECTRICALLY CONDUCTIVE HELICAL MEMBER HAVING AN INTERNAL DIAMETER OF THE HELIC SUCH THAT WHEN APPLIED TO A HIGH VOLTAGE LINE THE ADJACENT CONVOLUTIONS ARE IN TIGHTLY GRIPPING RELATION WITH THE LINE FOR AT LEAST MORE THAN ONE PITCH LENGTH AND HAVING A PITCH OF THE HELIX SUCH THAT IT MAY BE APPLIED TO THE LINE WITHOUT
References Cited (Backward Citations)
US1813151A
Cited
US1690185A
Cited
US2000673A
Cited
US1972616A
Cited
US1999273A
Cited
GB639040A
Cited
US2789154A
Cited
US2959632A
Cited
US2999894A
Cited
US3087008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |