Patent US3238291A successfully refreshed from Google Patents.
US3238291A
Expired / Lapsed
US
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Terminal cover
Assignee: McGraw Edison Co
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Filing: 1965-04-05
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Granted: 1966-03-01
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Bosch
- 👤 Jr James I Metzger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:09
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/56; H01B17/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN COMBINATION WITH A TERMINAL CONNECTING A POWER LINE WITH AN ELECTRICAL BUSHING AND HAVING EXTENDED PORTIONS INCLUDING A RADIALLY OUTWARDLY EXTENDING ARM PORTION SERVING AS AN ELECTRODE FOR A LIGHTNING ARRESTOR SPARK GAP, A COVER OF INSULATING MATERIAL SUBSTANTIALLY WHOLLY ENCLOSING SAID TERMINAL AND HAVING AN INNER SIDE WALL PORTION IN A PLANE SPACED RADIALLY OUTWARDLY FROM THE RADIALLY OUTER END OF SAID ARM PORTION, APERTURE MEANS IN SAID SIDE WALL PORTION PROVIDING LIMITED ACCESS THROUGH SAID COVER TO SAID ARM PORTION END PREVENTING SAID COVER FROM INTERFERING WITH SAID SPARK GAP, INTERNAL GROOVE MEANS IN SAID COVER RECEIVING ONE OF SAID EXTENDED PORTIONS AND HAVING OPPOSED SURFACES ENGAGEABLE WITH OPPOSED SIDES OF SAID ONE EXTENDED PORTION TO SUBSTAN-
Claim 2
Dependent Claim
120 words
IN COMBINATION WITH A TERMINAL CONNECTING A POWER LINE WITH AN ELECTRICAL BUSHING AND HAVING EXTENDED PORTIONS INCLUDING A RADIALLY OUTWARDLY EXTENDING ARM PORTION SERVING AS AN ELECTRODE FOR A LIGHTNING ARRESTOR SPARK GAP, A COVER OF INSULATING MATERIAL SUBSTANTIALLY WHOLLY ENCLOSING SAID TERMINAL AND HAVING AN INNER SIDE WALL PORTION IN A PLANE SPACED RADIALLY OUTWARDLY FROM THE RADIALLY OUTER END OF SAID ARM PORTION, APERTURE MEANS IN SAID SIDE WALL PORTION PROVIDING LIMITED ACCESS THROUGH SAID COVER TO SAID ARM PORTION END PREVENTING SAID COVER FROM INTERFERING WITH SAID SPARK GAP, INTERNAL GROOVE MEANS IN SAID COVER RECEIVING ONE OF SAID EXTENDED PORTIONS AND HAVING OPPOSED SURFACES ENGAGEABLE WITH OPPOSED SIDES OF SAID ONE EXTENDED PORTION TO SUBSTAN-
References Cited (Backward Citations)
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US2263319A
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US2715654A
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US2834829A
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US2875267A
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US3019287A
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US3145421A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |