US2506344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making thiophosphates
Assignee: PIANT PRODUCTS Corp
•
Filing: 1948-03-09
•
Granted: 1950-05-02
•
Expires: 1968-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas F Cleary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
THE METHOD WHICH INCLUDES: SUBJECTING A MONOARYL MONOTHIOPHOSPHORIC ACID DIHALIDE HAVING THE FORMULA
Claim 2
Independent Claim
13 words
THE METHOD WHICH INCLUDES: SUBJECTING A MONOARYL MONOTHIOPHOSPHORIC ACID DIHALIDE HAVING THE FORMULA
References Cited (Backward Citations)
US1982903A
Cited
US2250049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |