US2579347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color temperature meter
Assignee: General Electric Co
•
Filing: 1950-01-20
•
Granted: 1951-12-18
•
Expires: 1970-01-20
Abstract
No abstract record available.
Inventors
- 👤 Clement F Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB508802A
Cited
US2198971A
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US2302554A
Cited
US2503768A
Cited
US2330877A
Cited
US2319212A
Cited
US2365601A
Cited
US2439373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |