Patent US2565151A successfully refreshed from Google Patents.
US2565151A
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US
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Meter for measurement of reflectance
Assignee: General Electric Co
•
Filing: 1947-07-24
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Granted: 1951-08-21
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Expires: 1967-07-24
Abstract
No abstract record available.
Inventors
- 👤 Taylor Augustus Hadley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:33
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1778000A
Cited
US1834905A
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DE646511C
Cited
US2060957A
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US2127477A
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US2114163A
Cited
US2349754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |