US3130227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-camphoryl-amino acetamides
Assignee: Chugai Pharmaceutical Co Ltd
•
Filing: 1960-08-02
•
Granted: 1964-04-21
•
Expires: 1980-08-02
Abstract
No abstract record available.
Inventors
- 👤 Takahashi Torizo
- 👤 Fujimura Hajime
- 👤 Hamashima Yoshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:25
CPC Classifications
C; C07; C07C; C07C237/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULAI:
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULAI:
Claim 3
Dependent Claim
2 words
N-CAMPHORYL-(3)-GLYCINE DIMETHYLAMIDE.
Claim 4
Dependent Claim
2 words
N-CAMPHORYL-(3)-GLYCINE DIMETHYLAMIDE.
References Cited (Backward Citations)
US2192894A
Cited
GB663903A
Cited
US2692265A
Cited
US2746901A
Cited
US2901507A
Cited
US2906777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |