US2544196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric color analyzer
Assignee: Pavelle Color Inc
•
Filing: 1947-08-04
•
Granted: 1951-03-06
•
Expires: 1967-08-04
Abstract
No abstract record available.
Inventors
- 👤 Lloyd E Varden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:02
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/50; G01J3/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1798203A
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US2143145A
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US2287322A
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US2413080A
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US2421344A
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US2416918A
Cited
US2500049A
Cited
US2521954A
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US2438303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |