US2992265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenyl phosphonic acid esters
Assignee: Bayer AG
•
Filing: 1958-06-18
•
Granted: 1961-07-11
•
Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Schrader Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:43
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4075; A; A01; A01N; A01N57/00; A01N57/18; C07F9/4003; C07F9/4015; C07F9/4018; C07F9/4021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
PHENYL PHOSPHONIC ACID-O-ALKYL-S-ALKYL ESTERS OF THE FOLLOWING GENERAL FORMULA
Claim 2
Dependent Claim
9 words
PHENYL PHOSPHONIC ACID-O-ALKYL-S-ALKYL ESTERS OF THE FOLLOWING 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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |