Patent US2592931A successfully refreshed from Google Patents.
US2592931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiothiazolone derivatives
Assignee: —
•
Filing: —
•
Granted: 1952-04-15
•
Expires: 1969-04-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:25
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04; C07D417/00; C07D417/02; C07D417/06; C07D415/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THIOTHIAZOLONE-DERIVATIVES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
5 words
THIOTHIAZOLONE-DERIVATIVES OF THE GENERAL FORMULA
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) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |