US2419060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making colloidal dispersions of a rubberlike reaction product of an inorganic polysulfide and an olefin dihalide
Assignee: Individual
•
Filing: 1942-10-31
•
Granted: 1947-04-15
•
Expires: 1962-10-31
Abstract
No abstract record available.
Inventors
- 👤 Edwardes John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:03
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/14; C08G75/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1980589A
Cited
US1793983A
Cited
US2097212A
Cited
US2313144A
Cited
US2296427A
Cited
US2194958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |