Patent US1088247A successfully refreshed from Google Patents.
Patent US3392248A successfully refreshed from Google Patents.
US3392248A
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US
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Interrupter structure having contoured arc splitter plates and separately housed resistor contacts and resistor structure therefor
Assignee: ABB Inc USA
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Filing: 1965-03-12
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Granted: 1968-07-09
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Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Earl B Rietz
- 👤 James R Mccloud
- 👤 Hubert J Koenn
- 👤 David A Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:42
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/72; H01H33/75; H01C; H01C3/00; H01C3/02; H01H33/02; H01H33/04; H01H33/16; H01H33/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1955213A
Cited
US2467542A
Cited
US2714645A
Cited
FR1107013A
Cited
GB869654A
Cited
US3128360A
Cited
US3267242A
Cited
US3313901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |