US2569423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process fob preparing phenoxtalktl
Assignee: —
•
Filing: —
•
Granted: 1951-09-25
•
Expires: 1968-09-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:06
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C205/37; C07C201/00; C07C201/06; C07C201/12; C07C41/00; C07C41/01; C07C41/18; C07C41/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PROCESS FOR PREPARING PHENOXYALKYL BROMIDES OF THE FORMULA
Claim 2
Dependent Claim
9 words
A PROCESS FOR PREPARING PHENOXYALKYL BROMIDES OF THE FORMULA
References Cited (Backward Citations)
US2094489A
Cited
US2124605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |