US2938053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino acid analogues
Assignee: Monsanto Chemicals Ltd
•
Filing: 1955-12-29
•
Granted: 1960-05-24
•
Expires: 1975-12-29
Abstract
No abstract record available.
Inventors
- 👤 Edward S Blake
- 👤 Robert J Wineman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:44
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/50; C07C323/51; C07C323/60; A; A23; A23K; A23K20/00; A23K20/10; A23K20/105; A23K20/142; Y; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A CHEMICAL COMPOUND HAVING THE FOLLOWING MOLECULAR STRUCTURE
Claim 2
Dependent Claim
8 words
A CHEMICAL COMPOUND HAVING THE FOLLOWING MOLECULAR STRUCTURE
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) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |