US2572828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxyalkyl esters of monoiodomono-alkoxybenzoic acids
Assignee: STWB Inc
•
Filing: 1947-11-24
•
Granted: 1951-10-30
•
Expires: 1967-11-24
Abstract
No abstract record available.
Inventors
- 👤 Archer Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:36
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/76; C07C69/84; C07C69/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2198582A
Cited
US2198583A
Cited
US2176070A
Cited
GB517382A
Cited
GB517425A
Cited
US2234374A
Cited
US2400033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |