US2431315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forming plastic coating compositions on surfaces
Assignee: CHEMICAL DEVELOPMENTS Corp
•
Filing: 1941-03-11
•
Granted: 1947-11-25
•
Expires: 1961-03-11
Abstract
No abstract record available.
Inventors
- 👤 Folsom E Drummond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:44
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/24; B05D7/26; C; C09; C09D; C09D4/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |