Patent US3342533A successfully refreshed from Google Patents.
US3342533A
Expired / Lapsed
US
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Method of making polishing buff
Assignee: Schlegel Manufacturing Co
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Filing: 1965-06-14
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Granted: 1967-09-19
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Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Edward F Engel
- 👤 Harry S Scherzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:52
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/14; B24D13/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD OF MAKING A POLISHING BUFF, SAID METHOD COMPRISING: (A) CUTTING A FABRIC BACKING MATERIAL TO FORM A GENERAL DISK SHAPE; (B) TUFTING A PILE ONTO SAID DISK SO THAT SAID PILE TUFTS ARE ANCHORED CLOSELY TO THE BACK OF SAID DISK AND SAID PILE EXTENDS FROM THE FACE OF SAID DISK; AND (C) FUSING SYNTHETIC THERMOPLASTIC MATERIAL INTO THE BACK OF SAID TUFTED DISK TO FILL THE INTERSTICES IN SAID DISK AND SAID ANCHORED TUFTS AND TO OVERLIE THE BACK OF SAID DISK AND SAID ANCHORED TUFTS TO SECURE SAID TUFTS IN PLACE AND TO STIFFEN AND SUPPORT SAID BUFF IN A GENERALLY DISK SHAPE.
Claim 2
Independent Claim
107 words
A METHOD OF MAKING A POLISHING BUFF, SAID METHOD COMPRISING: (A) CUTTING A FABRIC BACKING MATERIAL TO FORM A GENERAL DISK SHAPE; (B) TUFTING A PILE ONTO SAID DISK SO THAT SAID PILE TUFTS ARE ANCHORED CLOSELY TO THE BACK OF SAID DISK AND SAID PILE EXTENDS FROM THE FACE OF SAID DISK; AND (C) FUSING SYNTHETIC THERMOPLASTIC MATERIAL INTO THE BACK OF SAID TUFTED DISK TO FILL THE INTERSTICES IN SAID DISK AND SAID ANCHORED TUFTS AND TO OVERLIE THE BACK OF SAID DISK AND SAID ANCHORED TUFTS TO SECURE SAID TUFTS IN PLACE AND TO STIFFEN AND SUPPORT SAID BUFF IN A GENERALLY DISK SHAPE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |