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US2788702A
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US
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Measurement of light scattering
Assignee: Leeds and Northrup Co
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Filing: 1951-09-24
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Granted: 1957-04-16
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Expires: 1971-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick Jay Baum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:48
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB396390A
Cited
US1974522A
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US1789268A
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US2197190A
Cited
US2315282A
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US2463321A
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GB577395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |