US2628884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye aging process
Assignee: Individual
•
Filing: 1949-11-16
•
Granted: 1953-02-17
•
Expires: 1969-11-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Jacoby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:12
CPC Classifications
D; D06; D06B; D06B19/00; D06B19/0005; D06B19/0029; D06B19/0035; D06P; D06P1/00; D06P1/22; D06P5/00; D06P5/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1403990A
Cited
US1738946A
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GB190706724A
Cited
US1387072A
Cited
US1663845A
Cited
US1913615A
Cited
GB457952A
Cited
US2396908A
Cited
US2445504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |