Patent US3390004A successfully refreshed from Google Patents.
US3390004A
Expired / Lapsed
US
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Manufacture of paste rosin size in closed circuit reactor
Assignee: Wyeth Holdings LLC
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Filing: 1965-09-01
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Granted: 1968-06-25
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Placido John Carl Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:28
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/17; C; C11; C11D; C11D15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2559516A
Cited
US2842453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |