US3024692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chart readers and comparators and method of translating light transmittance values of colorimeter recordings into concentration values
Assignee: Bayer Corp
•
Filing: 1958-06-12
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Granted: 1962-03-13
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Expires: 1978-06-12
Abstract
No abstract record available.
Inventors
- 👤 Leonard T Skeggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:54
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US946265A
Cited
US1979964A
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US2043053A
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US2244826A
Cited
US2577815A
Cited
US2483452A
Cited
US2630736A
Cited
US2623313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |