Patent US2947663A successfully refreshed from Google Patents.
US2947663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphoric and thiophosphoric phenol esters containing an azo group and methods of preparing same
Assignee: Montedison SpA
•
Filing: 1957-10-30
•
Granted: 1960-08-02
•
Expires: 1977-10-30
Abstract
No abstract record available.
Inventors
- 👤 Losco Giuseppe
- 👤 Peri Cesare Augusto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:28
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12; A; A01; A01N; A01N57/00; A01N57/10; A01N57/14; C07F9/16; C07F9/165; C07F9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
IN THE ART OF CONTROL OF FLIES AT A LOCALITY, THE IMPROVEMENT COMPRISING APPLYING TO THE LOCALITY A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
22 words
IN THE ART OF CONTROL OF FLIES AT A LOCALITY, THE IMPROVEMENT COMPRISING APPLYING TO THE LOCALITY A COMPOUND OF 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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |