Patent US3590567A successfully refreshed from Google Patents.
Patent US4007704A successfully refreshed from Google Patents.
Patent US2606205A successfully refreshed from Google Patents.
US2606205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dihalogen benzoic acid esters of amino alcohols
Assignee: WM S MERRELL CO
•
Filing: 1946-07-09
•
Granted: 1952-08-05
•
Expires: 1966-07-09
Abstract
No abstract record available.
Inventors
- 👤 Robert S Shelton
- 👤 Edwin R Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:53
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/39; C07C205/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUND OF THE FORMULA
References Cited (Backward Citations)
GB321968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |