Patent US3343042A successfully refreshed from Google Patents.
US3343042A
Expired / Lapsed
US
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Switchboard apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1964-11-05
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Granted: 1967-09-19
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Expires: 1984-11-05
Abstract
No abstract record available.
Inventors
- 👤 Albert R Cellerini
- 👤 Louis N Ricci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:17
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/126; H01H71/04; H01H73/00; H01H73/02; H01H73/06; H01H73/08; H02; H02B; H02B11/00; H02B11/12; H02B11/127; H02B11/173
Claims Analysis
Total Claims: 0
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |