US2566382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arsenical compounds and methods for obtaining the same
Assignee: Parke Davis and Co LLC
•
Filing: 1947-09-17
•
Granted: 1951-09-04
•
Expires: 1967-09-17
Abstract
No abstract record available.
Inventors
- 👤 Leon A Sweet
- 👤 Edward W Tillitson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:57
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/66; C07F9/70; C07F9/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE 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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |