US2432461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment preparations
Assignee: HARMON COLOR WORKS Inc
•
Filing: 1944-05-08
•
Granted: 1947-12-09
•
Expires: 1964-05-08
Abstract
No abstract record available.
Inventors
- 👤 Vincent C Vesce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:09
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2004/00; C01P2004/01; C01P2004/02; C01P2006/00; C01P2006/80; C01P2006/82; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S524/00; Y10S524/925; Y10S524/926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1836588A
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US1843420A
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US1301693A
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US1610226A
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US2046758A
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US2079548A
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US2212629A
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US2304308A
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US2296066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |