Patent US2876004A successfully refreshed from Google Patents.
US2876004A
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Speed measurement and control
Assignee: Consolidated Electrodynamics Corp
•
Filing: 1956-07-12
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Granted: 1959-03-03
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Expires: 1976-07-12
Abstract
No abstract record available.
Inventors
- 👤 Robert L Sink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/02; G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/52; H02; H02P; H02P23/00; H02P23/18; H02P23/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732144A
Cited
US2705639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |