Patent US3491244A successfully refreshed from Google Patents.
US3491244A
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Radiation sensitive position encoder using coded discs
Assignee: McGraw Edison Co
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Filing: 1967-12-15
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Granted: 1970-01-20
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Expires: 1987-12-15
Abstract
No abstract record available.
Inventors
- 👤 Victor E Stewart Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:14
CPC Classifications
G; G01; G01D; G01D4/00; G01D4/002; G01D4/004; G01D5/00; G01D5/12; G01D5/244; G01D5/249; G01D5/2492; G01D5/26; G01D5/32; G01D5/34; G01D5/347; G01D5/34776; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/28; H03M1/282; H04; H04M; H04M11/00; H04M11/002; Y; Y02; Y02B; Y02B90/00; Y02B90/20; Y04; Y04S; Y04S20/00; Y04S20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |