US2104068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium salts of mercapto-arylenethiazoles
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1934-03-15
•
Granted: 1938-01-04
•
Expires: 1954-03-15
Abstract
No abstract record available.
Inventors
- 👤 Baird William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:38
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/76; C07D277/80
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1941-01-03 | 1941-07-05 | 1942-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-01-03 | 1945-07-05 | 1946-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-01-03 | 1949-07-05 | 1950-01-04 | $7700.00 | Window Closed / Lapsed |