Patent US2140360A successfully refreshed from Google Patents.
US3458261A
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Pulsed light photometric apparatus for measuring light characteristics of moving materials
Assignee: Kollmorgen Corp
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Filing: 1964-09-25
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Granted: 1969-07-29
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Expires: 1984-09-25
Abstract
No abstract record available.
Inventors
- 👤 George P Bentley
- 👤 Joseph S Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:39
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/02; G01N33/025; G01J; G01J3/00; G01J3/02; G01J3/0205; G01J3/0251; G01J3/08; G01J3/10; G01J3/46; G01J3/50; G01N21/00; G01N21/17; G01N21/25; G01N21/255; G01N21/47; G01N21/4738; G01N21/474; G01N21/84; G01N21/86; G01N21/88; G01N21/89; G01N21/8901; G01J3/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2251973A
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US2686452A
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US3089382A
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US2992588A
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GB908896A
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US3111555A
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US3157789A
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US3170022A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |