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US2648834A
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Positional correspondence indicator for servo mechanisms
Assignee: CONTROL INSTR CO Inc
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Filing: 1950-06-24
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Granted: 1953-08-11
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Expires: 1970-06-24
Abstract
No abstract record available.
Inventors
- 👤 Lohse Edward
- 👤 Stanley H Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:34
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US749252A
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US1145348A
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US1719506A
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US2388977A
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US2420193A
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US2405568A
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US2428402A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |