Patent US2736727A successfully refreshed from Google Patents.
US2736727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino-ethers
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
•
Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:00
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/78; C07D311/80; C07D491/00; C07D491/02; C07D491/04; C07D491/12; C07D491/14; C07D493/00; C07D493/02; C07D493/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A NEW COMPOUND HAVING VALUABLE MEDICINAL PROPERTIES SELECTED FROM THE GROUP CONSISTING OF THE AMINOETHERS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
19 words
A NEW COMPOUND HAVING VALUABLE MEDICINAL PROPERTIES SELECTED FROM THE GROUP CONSISTING OF THE AMINOETHERS REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |