US2587566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrobenzyl ethers
Assignee: —
•
Filing: —
•
Granted: 1952-02-26
•
Expires: 1969-02-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:26
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/27; C07C205/34; C07C201/00; C07C201/06; C07C201/12; C07C217/00; C07C217/02; C07C217/04; C07C217/06; C07C217/08; C07C217/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE COMPOUNDS HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
6 words
THE COMPOUNDS HAVING THE GENERAL 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) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |