US2575225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of o-alkyl dichlorothiophosphates
Assignee: Uniroyal Inc
•
Filing: 1948-09-29
•
Granted: 1951-11-13
•
Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 Richard H F Manske
- 👤 Kulka Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:14
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PROCESS OF MAKING A COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
10 words
A PROCESS OF MAKING A COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US1844408A
Cited
US1945183A
Cited
US2005619A
Cited
US2309829A
Cited
US2471464A
Cited
US2520393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |