US2253483A
Expired / Lapsed
US
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Electromagnetic vibratory governor for dynamos
Assignee: Robert Bosch GmbH
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Filing: 1938-07-20
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Granted: 1941-08-19
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Expires: 1958-07-20
Abstract
No abstract record available.
Inventors
- 👤 Menzel Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:56
CPC Classifications
H; H02; H02K; H02K35/00; H01; H01H; H01H50/00; H01H50/02; H01H50/04; H01H50/041; H01H50/045; H01H50/16; H01H50/18; H01H50/30; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/22; H02J7/225; H02P; H02P31/00; H02P7/00; H02P7/02; H02P7/025; H02P9/00
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) | 1944-08-18 | 1945-02-17 | 1945-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-18 | 1949-02-17 | 1949-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-18 | 1953-02-17 | 1953-08-19 | $7700.00 | Window Closed / Lapsed |