Patent US2714168A successfully refreshed from Google Patents.
US2230207A
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Assignee: BBC Brown Boveri AG Germany
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Filing: 1938-06-13
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Granted: 1941-01-28
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Expires: 1958-06-13
Abstract
No abstract record available.
Inventors
- 👤 Thommen Hans
- 👤 Muller Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:41
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/47; H01H85/04; H01H85/041; H01H85/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-01-28 | 1944-07-29 | 1945-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-28 | 1948-07-29 | 1949-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-28 | 1952-07-29 | 1953-01-28 | $7700.00 | Window Closed / Lapsed |