Patent US2209902A successfully refreshed from Google Patents.
US2209902A
Expired / Lapsed
US
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Oil soluble acylated dye
Assignee: Armour and Co
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Filing: 1938-02-17
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Granted: 1940-07-30
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Expires: 1958-02-17
Abstract
No abstract record available.
Inventors
- 👤 Anderson W Ralston
- 👤 Wal Robert J Vander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:14
CPC Classifications
C; C09; C09B; C09B69/00; C09B11/00; C09B11/04; C09B11/10; C09B11/12; C09B15/00; C09B17/00; C09B17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-30 | 1944-01-29 | 1944-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-30 | 1948-01-29 | 1948-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-30 | 1952-01-29 | 1952-07-30 | $7700.00 | Window Closed / Lapsed |