US2862017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzyl esters of thiophosphoric acids and their production
Assignee: Bayer AG
•
Filing: 1956-04-24
•
Granted: 1958-11-25
•
Expires: 1976-04-24
Abstract
No abstract record available.
Inventors
- 👤 Schrader Gerhard
- 👤 Lorenz Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:12
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1653; A; A01; A01N; A01N57/00; A01N57/10; A01N57/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A THIOPHOSPHORIC ACID ESTER HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
8 words
A THIOPHOSPHORIC ACID ESTER HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2266514A
Cited
US2609383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |