US3435397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination overvoltage protective device and conductor support
Assignee: McGraw Edison Co
•
Filing: 1966-02-14
•
Granted: 1969-03-25
•
Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Edward L Sankey
- 👤 Herman O Stoelting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:59
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/005; H01B17/20; H01B17/22; H01T; H01T4/00; H01T4/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US532101A
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US838382A
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GB191217761A
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US1213844A
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US1470021A
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AT104066B
Cited
US2338479A
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US2860210A
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US3038046A
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US3374327A
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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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |