US3086978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-methoxy-4-carbamidomethoxy-phenylacetic acid esters
Assignee: Bayer AG
•
Filing: 1961-05-05
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Granted: 1963-04-23
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Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Hiltman Rudolf
- 👤 Wollweber Hartmund
- 👤 Hoffmeister Friedrich
- 👤 Wirth Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:56
CPC Classifications
C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A 3 - METHOXY-4-CARBAMIDOMETHOXY - PHENYLACETIC ACID ESTER OF THE FORMULA:
Claim 2
Dependent Claim
11 words
A 3 - METHOXY-4-CARBAMIDOMETHOXY - PHENYLACETIC ACID ESTER OF THE 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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |