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Patent US2476450A successfully refreshed from Google Patents.
US2476450A
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Process for preparing a dry rosin size
Assignee: Hercules Powder Co
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Filing: 1946-03-05
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Granted: 1949-07-19
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Expires: 1966-03-05
Abstract
No abstract record available.
Inventors
- 👤 Bert M Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:39
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1999812A
Cited
US2134911A
Cited
US2239555A
Cited
US2294723A
Cited
US2299577A
Cited
US2437643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |