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US2407248A
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Method for stabilizing a polymerized rosin and polymerized rosin ester
Assignee: Hercules Powder Co
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Filing: 1942-06-26
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Granted: 1946-09-10
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Expires: 1962-06-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Borglin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:07
CPC Classifications
C; C09; C09F; C09F1/00; C09F1/04
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) | 1949-09-09 | 1950-03-11 | 1950-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-09 | 1954-03-11 | 1954-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-09 | 1958-03-11 | 1958-09-10 | $7700.00 | Window Closed / Lapsed |