US2484966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating and revolving brush means for preparing fibrous molding compositions
Assignee: SOUTHERN FRICTION MATERIALS Co
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Filing: 1945-10-06
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Granted: 1949-10-18
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Expires: 1965-10-06
Abstract
No abstract record available.
Inventors
- 👤 Snow Howard
- 👤 Hocutt Rudolph Hovan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:27
CPC Classifications
B; B02; B02C; B02C19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US119801A
Cited
US969829A
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US969830A
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US1065365A
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US1691196A
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US1937446A
Cited
US2215435A
Cited
US2368870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |