US2792399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anilides of heterocyclic compounds
Assignee: Saab Bofors AB
•
Filing: 1955-05-24
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Granted: 1957-05-14
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Expires: 1975-05-24
Abstract
No abstract record available.
Inventors
- 👤 Ekenstam Bo Thuresson Af
- 👤 Egner Borje Per Harald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:28
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/16; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/60; C07D211/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AMIDES OF THE GROUP CONSISTING OF N-ALKYL PIPERIDINE MONOCARBOXYLIC AMIDES AND N-ALKYL PYRROLIDINE A-MONOCARBOXYLIC AMIDES HAVING THE GENERAL FORMULAS:
Claim 2
Dependent Claim
19 words
AMIDES OF THE GROUP CONSISTING OF N-ALKYL PIPERIDINE MONOCARBOXYLIC AMIDES AND N-ALKYL PYRROLIDINE A-MONOCARBOXYLIC AMIDES HAVING THE GENERAL FORMULAS:
References Cited (Backward Citations)
DE539178C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |