US3031499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino acids containing a cyclobutane ring
Assignee: Individual
•
Filing: 1957-05-06
•
Granted: 1962-04-24
•
Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Glen W Hedrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:09
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/08; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A COMPOUND FROM THE GROUP CONSISTING OF 3-AMINO2,2 - DIMETHYLCYCLOBUTANEACETIC ACID, ITS 3 - ACETYLAMINO DERIVATIVE, AND ITS HYDROCHLORIDE.
Claim 2
Dependent Claim
19 words
A COMPOUND FROM THE GROUP CONSISTING OF 3-AMINO2,2 - DIMETHYLCYCLOBUTANEACETIC ACID, ITS 3 - ACETYLAMINO DERIVATIVE, AND ITS HYDROCHLORIDE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |