US2561208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiocarbamic acid derivatives of alkylenebis
Assignee: EIDP Inc
•
Filing: 1948-03-30
•
Granted: 1951-07-17
•
Expires: 1968-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:54
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A MEMBER OF THE CLASS CONSISTING OF DITHIOCARBAMIC ACIDS, THEIR SALTS, AND THEIR ESTERS, SAID ACID HAVING THE FORMULA
Claim 2
Dependent Claim
19 words
A MEMBER OF THE CLASS CONSISTING OF DITHIOCARBAMIC ACIDS, THEIR SALTS, AND THEIR ESTERS, SAID ACID HAVING 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) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |