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US2468401A
Expired / Lapsed
US
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Process of producing substituted 2-amino-thiazoles
Assignee: Research Corp
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Filing: 1946-11-30
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Granted: 1949-04-26
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Expires: 1966-11-30
Abstract
No abstract record available.
Inventors
- 👤 King Lafayette Carroll
- 👤 Raymond M Dodson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:38
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB554428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |