US2308664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition
Assignee: Dow Chemical Co
•
Filing: 1940-09-21
•
Granted: 1943-01-19
•
Expires: 1960-09-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Young
- 👤 Richard D Frceman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:10
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-01-18 | 1946-07-20 | 1947-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-18 | 1950-07-20 | 1951-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-18 | 1954-07-20 | 1955-01-19 | $7700.00 | Window Closed / Lapsed |