US2707185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jx n nx
Assignee: —
•
Filing: —
•
Granted: 1955-04-26
•
Expires: 1972-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:23
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
NEW CHEMICAL COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF (A) SCHIFFS BASES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
16 words
NEW CHEMICAL COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF (A) SCHIFFS BASES 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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |