US2856411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of n-alkylcarbamic acids
Assignee: Boyce Thompson Institute
•
Filing: 1956-10-23
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Granted: 1958-10-14
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Expires: 1976-10-23
Abstract
No abstract record available.
Inventors
- 👤 Edward A Prill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:31
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A 3,4-METHYLENEDIOXYPHENYLALKYL N-ALKYLCARBAMATE HAVING THE STRUCTURE
Claim 2
Dependent Claim
6 words
A 3,4-METHYLENEDIOXYPHENYLALKYL N-ALKYLCARBAMATE HAVING THE STRUCTURE
References Cited (Backward Citations)
US2773062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |