Patent US2669528A successfully refreshed from Google Patents.
Patent US2976525A successfully refreshed from Google Patents.
US2976525A
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System for converting analog shaft rotational positions to digital displays
Assignee: Sherman Fairchild & Associates
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Filing: 1956-06-19
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Granted: 1961-03-21
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Expires: 1976-06-19
Abstract
No abstract record available.
Inventors
- 👤 John W Bossung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:24
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/25; G01D5/251; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/28; H03M1/30; H03M1/303; H03M1/305; H03M1/14; H03M1/16; H03M1/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2620981A
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US2672605A
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US2620980A
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US2682045A
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US2700076A
Cited
US2809369A
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US2818557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |