US2547366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiuronium compounds
Assignee: Rohm and Haas Co
•
Filing: 1949-02-23
•
Granted: 1951-04-03
•
Expires: 1969-02-23
Abstract
No abstract record available.
Inventors
- 👤 Louis H Bock
- 👤 Norman H Leake
- 👤 James L Rainey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:27
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/30; C07C335/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AS NEW SUBSTANCES, COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
7 words
AS NEW SUBSTANCES, COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2270893A
Cited
US2344321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |