US2710876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-substituted glycine esters of gluconic acid
Assignee: Individual
•
Filing: 1953-12-09
•
Granted: 1955-06-14
•
Expires: 1973-12-09
Abstract
No abstract record available.
Inventors
- 👤 Ernst T Krebs
- 👤 Jr Ernst T Krebs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:28
CPC Classifications
C; C07; C07C; C07C229/00; C07C229/02; C07C229/04; C07C229/06; C07C229/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE TYPE
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE TYPE
References Cited (Backward Citations)
US2293034A
Cited
US2460191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |