US3432243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratio spectroradiometer
Assignee: Individual
•
Filing: 1963-10-10
•
Granted: 1969-03-11
•
Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 George K C Hardesty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:52
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/10; G01J1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1987441A
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GB445009A
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US2411741A
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US2325350A
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US2280993A
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US2439373A
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US2686452A
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US2601327A
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US2753754A
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US3100815A
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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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |