US1725362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl ester resins and process of making same
Assignee: CANADIAN ELECTRO PROD CO
•
Filing: 1927-08-15
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Granted: 1929-08-20
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Expires: 1947-08-15
Abstract
No abstract record available.
Inventors
- 👤 Howard W Matheson
- 👤 Frederick W Skirrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:24
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04; C08F20/00
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) | 1932-08-19 | 1933-02-18 | 1933-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-19 | 1937-02-18 | 1937-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-19 | 1941-02-18 | 1941-08-20 | $7700.00 | Window Closed / Lapsed |