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US2932050A
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US
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Brush construction
Assignee: WELLER BRUSH Co Inc
•
Filing: 1958-08-21
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Granted: 1960-04-12
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Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 Karl E Weiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:46
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US47157A
Cited
US301936A
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US372385A
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US800291A
Cited
US2160836A
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US2255184A
Cited
US2643157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |