US3239276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing composite brushing tools
Assignee: Osborn Manufacturing Corp
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Filing: 1964-02-26
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Granted: 1966-03-08
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Vernon K Charvat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/10; A; A46; A46B; A46B13/00; A46B13/001; A46B13/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD OF MANUFACTURING A BRUSH COMPRISING PLACING A BRUSH HAVING A BODY OF RADIALLY EXTENDING BRISTLE MATERIAL ON A ROTARY SURFACE, ROTATING SAID ROTARY SURFACE AND BRUSH, APPLYING AN ELASTOMERIC RESINOUS PLASTIC MATERIAL TO THE SURFACE OF SAID BRUSH, AND APPLYING AIR PRESSURE TO SAID PLASTIC AND BRUSH TO FORCE SAID PLASTIC OUTWARDLY OF AND INTO THE BODY OF BRUSH MATERIAL AND BETWEEN THE BRISTLES THEREOF.
Claim 2
Independent Claim
67 words
A METHOD OF MANUFACTURING A BRUSH COMPRISING PLACING A BRUSH HAVING A BODY OF RADIALLY EXTENDING BRISTLE MATERIAL ON A ROTARY SURFACE, ROTATING SAID ROTARY SURFACE AND BRUSH, APPLYING AN ELASTOMERIC RESINOUS PLASTIC MATERIAL TO THE SURFACE OF SAID BRUSH, AND APPLYING AIR PRESSURE TO SAID PLASTIC AND BRUSH TO FORCE SAID PLASTIC OUTWARDLY OF AND INTO THE BODY OF BRUSH MATERIAL AND BETWEEN THE BRISTLES THEREOF.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |