US2810719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Morpholino alkyl ethers of hydroxybenzoic acid esters
Assignee: Abbott Laboratories
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Filing: 1954-10-19
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Granted: 1957-10-22
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Expires: 1974-10-19
Abstract
No abstract record available.
Inventors
- 👤 Marjorie B Moore
- 👤 Maynette R Vernsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:13
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASIC ETHERS AND THE ACID ADDITION SALTS THEREOF, THE BASIC ETHERS HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
23 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASIC ETHERS AND THE ACID ADDITION SALTS THEREOF, THE BASIC ETHERS HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |