US2683145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azacycloheptanones
Assignee: —
•
Filing: —
•
Granted: 1954-07-06
•
Expires: 1971-07-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:18
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/14; C07D223/00; C07D223/02; C07D223/06; C07D223/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
COMPOUNDS OF THE GROUP COMPRISING AZACYCLOHEPTANONES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
10 words
COMPOUNDS OF THE GROUP COMPRISING AZACYCLOHEPTANONES OF THE GENERAL 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) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |