Patent US2619666A successfully refreshed from Google Patents.
US2619666A
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Ball processing brush
Assignee: HAYES SLOAN PRODUCTS Co
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Filing: 1949-08-11
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Granted: 1952-12-02
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Expires: 1969-08-11
Abstract
No abstract record available.
Inventors
- 👤 George W Hayes
- 👤 Sloan Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:17
CPC Classifications
A; A63; A63B; A63B47/00; A63B47/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US453316A
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FR317983A
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GB190713877A
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FR394095A
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US1564388A
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US1837389A
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US2260016A
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US2432924A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |