Patent US3128487A successfully refreshed from Google Patents.
US3128487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite brush
Assignee: Valden Co
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Filing: 1962-02-19
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Granted: 1964-04-14
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Vallis Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:27
CPC Classifications
A; A46; A46B; A46B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A COMPOSITE BRUSH, IN COMBINATION, A FIRST PANEL HAVING AN INNER SIDE, AN OUTER SIDE, A FIRST AND A SECOND GROUP OF APERTURES EXTENDING BETWEEN SAID INNER SIDE AND SAID OUTER SIDE, AND A PLURALITY OF BRISTLES PROJECTING FROM SAID OUTER SIDE; A SECOND PANEL HAVING AN INNER SIDE, AN OUTER SIDE ADJACENT TO THE INNER SIDE OF SAID FIRST PANEL, A PLURALITY OF APERTURES ALIGNED WITH THE FIRST GROUP OF APERTURES IN SAID FIRST PANEL, AND A PLURALITY OF BRISTLES EXTENDING THROUGH THE SECOND GROUP OF APERTURES IN SAID FIRST PANEL AND PROJECTING BEYOND THE OUTER SIDE AND BE-
Claim 2
Dependent Claim
101 words
IN A COMPOSITE BRUSH, IN COMBINATION, A FIRST PANEL HAVING AN INNER SIDE, AN OUTER SIDE, A FIRST AND A SECOND GROUP OF APERTURES EXTENDING BETWEEN SAID INNER SIDE AND SAID OUTER SIDE, AND A PLURALITY OF BRISTLES PROJECTING FROM SAID OUTER SIDE; A SECOND PANEL HAVING AN INNER SIDE, AN OUTER SIDE ADJACENT TO THE INNER SIDE OF SAID FIRST PANEL, A PLURALITY OF APERTURES ALIGNED WITH THE FIRST GROUP OF APERTURES IN SAID FIRST PANEL, AND A PLURALITY OF BRISTLES EXTENDING THROUGH THE SECOND GROUP OF APERTURES IN SAID FIRST PANEL AND PROJECTING BEYOND THE OUTER SIDE AND BE-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |