US2583744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of thiophosphoric acid
Assignee: Bayer AG
•
Filing: 1949-03-26
•
Granted: 1952-01-29
•
Expires: 1969-03-26
Abstract
No abstract record available.
Inventors
- 👤 Schrader Gerhard
- 👤 Kukenthal Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:49
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/655; C07F9/6552; C07F9/65522; A; A01; A01N; A01N57/00; A01N57/10; A01N57/16; C07F9/06; C07F9/16; C07F9/165; C07F9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
ESTERS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
5 words
ESTERS OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US1995247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |