US2886594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(2-carbamylalkyl)-aralkylamines
Assignee: STWB Inc
•
Filing: 1955-09-29
•
Granted: 1959-05-12
•
Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Surrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:48
CPC Classifications
C; C07; C07C; C07C237/00; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND HAVING A FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING A FORMULA
Claim 3
Dependent Claim
1 words
N-(2-CARBAMYLETHYL)-2,4-DICHLOROBENZYLAMINE.
Claim 4
Dependent Claim
1 words
N-(2-CARBAMYLETHYL)-2,4-DICHLOROBENZYLAMINE.
References Cited (Backward Citations)
BE527217A
Cited
US2841589A
Cited
US2317999A
Cited
US2441498A
Cited
GB586645A
Cited
GB587244A
Cited
US2768202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |