Patent US3296366A successfully refreshed from Google Patents.
US3296366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outdoor high tension insulator having long creepage path
Assignee: McGraw Edison Co
•
Filing: 1965-12-23
•
Granted: 1967-01-03
•
Expires: 1985-12-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Bronikowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:44
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/52; H01B17/525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN ELECTRICAL INSULATOR HAVING AN EXCEPTIONALLY LONG CREEPAGE PATH PER UNIT VOLUME AND BEING CAPABLE OF ABSORBING MECHANICAL FORCES COMPRISING AN ELONGATED MEMBER OF INSULATING MATERIAL IN THE CONFIGURATION OF A HELIX HAVING A PLURALITY OF CONVOLUTIONS WHICH ADVANCE PARALLEL TO THE AXIS OF THE HELIX AND EACH OF WHICH IS SPACED FROM ADJACENT CONVOLUTIONS IN A DIRECTION PARALLEL TO SAID AXIS, SAID MATERIAL HAVING A HIGH MODULUS OF ELASTICITY IN SHEAR, SAID ELONGATED MEMBER HAVING AT LEAST ONE UPWARDLY FACING GROOVE FORMED THEREIN AND EXTENDING ALONG THE LENGTH THEREOF.
Claim 2
Dependent Claim
90 words
AN ELECTRICAL INSULATOR HAVING AN EXCEPTIONALLY LONG CREEPAGE PATH PER UNIT VOLUME AND BEING CAPABLE OF ABSORBING MECHANICAL FORCES COMPRISING AN ELONGATED MEMBER OF INSULATING MATERIAL IN THE CONFIGURATION OF A HELIX HAVING A PLURALITY OF CONVOLUTIONS WHICH ADVANCE PARALLEL TO THE AXIS OF THE HELIX AND EACH OF WHICH IS SPACED FROM ADJACENT CONVOLUTIONS IN A DIRECTION PARALLEL TO SAID AXIS, SAID MATERIAL HAVING A HIGH MODULUS OF ELASTICITY IN SHEAR, SAID ELONGATED MEMBER HAVING AT LEAST ONE UPWARDLY FACING GROOVE FORMED THEREIN AND EXTENDING ALONG THE LENGTH THEREOF.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |