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Patent US3494699A successfully refreshed from Google Patents.
US3494699A
Expired / Lapsed
US
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Optical beam position sensor
Assignee: AT&T Inc
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Filing: 1966-12-09
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Granted: 1970-02-10
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Detlef C Gloge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:31
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/25; H04B10/2507; G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/783; H01; H01P; H01P3/00; H01P3/20
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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |