US3470236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenyl-n-methyl carbamic acid esters
Assignee: Bayer AG
•
Filing: 1965-06-17
•
Granted: 1969-09-30
•
Expires: 1985-06-17
Abstract
No abstract record available.
Inventors
- 👤 Arnold Hausweiler
- 👤 Ingeborg Hammann
- 👤 Wolfgang Behrenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:13
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/22; C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
PHENYL N-METHYL CARBAMIC ACID ESTERS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
9 words
PHENYL N-METHYL CARBAMIC ACID ESTERS HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |