US3207840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhead line insulator
Assignee: Individual
•
Filing: 1963-05-20
•
Granted: 1965-09-21
•
Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Harold B Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:00
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/20; H01; H01B; H01B17/00; H01B17/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN OVERHEAD LINE INSULATOR OF INSULATING MATERIAL FOR MOUNTING ON A SUBSTANTIALLY HORIZONTAL SUPPORT ARM, AND WHICH INCLUDES A CENTRAL BARREL PART HAVING A STRAIGHTTHROUGH BORE FOR RECEIVING A SUPPORT ARM, AND AN OUTER ANNULAR GROOVE AROUND THE BARREL PART, AND SKIRTS AROUND AND INTEGRAL WITH AND SPACED AWAY FROM THE BARREL PART, AND DIVERGING OPPOSITELY AWAY FROM THE ANNULAR GROOVE, AND DEFINING CAVITIES OF ANNULAR SECTION WITH THE BARREL PART, THE CAVITIES EXTENDING AXIALLY INWARDLY ADJACENT THE ANNULAR GROOVE; AND WHICH INCLUDES ALSO A WEATHER SHIELD AT EACH END OF THE BARREL, EACH WEATHER SHIELD COMPRISING A SLEEVE ENGAGING WITH THE END OF THE BARREL AND AN INTEGRAL WEATHER SHIELD SKIRT EXTENDING AXIALLY OVER THE DI-
Claim 2
Dependent Claim
117 words
AN OVERHEAD LINE INSULATOR OF INSULATING MATERIAL FOR MOUNTING ON A SUBSTANTIALLY HORIZONTAL SUPPORT ARM, AND WHICH INCLUDES A CENTRAL BARREL PART HAVING A STRAIGHTTHROUGH BORE FOR RECEIVING A SUPPORT ARM, AND AN OUTER ANNULAR GROOVE AROUND THE BARREL PART, AND SKIRTS AROUND AND INTEGRAL WITH AND SPACED AWAY FROM THE BARREL PART, AND DIVERGING OPPOSITELY AWAY FROM THE ANNULAR GROOVE, AND DEFINING CAVITIES OF ANNULAR SECTION WITH THE BARREL PART, THE CAVITIES EXTENDING AXIALLY INWARDLY ADJACENT THE ANNULAR GROOVE; AND WHICH INCLUDES ALSO A WEATHER SHIELD AT EACH END OF THE BARREL, EACH WEATHER SHIELD COMPRISING A SLEEVE ENGAGING WITH THE END OF THE BARREL AND AN INTEGRAL WEATHER SHIELD SKIRT EXTENDING AXIALLY OVER THE DI-
References Cited (Backward Citations)
US617062A
Cited
US876939A
Cited
US795521A
Cited
US1166392A
Cited
DE385951C
Cited
GB693371A
Cited
FR1215136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |