US2294723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized dry rosin size
Assignee: Hercules Powder Co
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Filing: 1940-12-04
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Granted: 1942-09-01
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Expires: 1960-12-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Dreshfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:01
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/62; C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C11; C11D; C11D15/00
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) | 1945-08-31 | 1946-03-02 | 1946-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-31 | 1950-03-02 | 1950-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-31 | 1954-03-02 | 1954-09-01 | $7700.00 | Window Closed / Lapsed |