US2680745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
S-benzylthiouronium dinitrophenates
Assignee: Rohm and Haas Co
•
Filing: 1953-02-13
•
Granted: 1954-06-08
•
Expires: 1973-02-13
Abstract
No abstract record available.
Inventors
- 👤 W E Craig
- 👤 Lo Chien-Pen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:12
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/30; C07C335/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AS CHEMICAL SUBSTANCES, COMPOUNDS OF THE STRUCTURE
Claim 2
Dependent Claim
7 words
AS CHEMICAL SUBSTANCES, COMPOUNDS OF THE STRUCTURE
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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |