US3500054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled uniform illumination and sensing of objects having differential light reflectivity
Assignee: Alcatel Lucent SAS
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Filing: 1967-11-27
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Granted: 1970-03-10
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Expires: 1987-11-27
Abstract
No abstract record available.
Inventors
- 👤 Michel Marie Joseph Lasalle
- 👤 Gerard Charles Maurice Jourdan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:52
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/47; G01N21/4738; G01N21/474; G02; G02B; G02B6/00; G02B6/04; G02B6/06; G03; G03B; G03B27/00; G03B27/72; H; H04; H04N; H04N1/00; H04N1/024; H04N1/028; H04N1/03; H04N1/031
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125013A
Cited
US3043910A
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US3038959A
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US3247755A
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US3235660A
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US3278739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |