US3605349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive finishing article
Assignee: Individual
•
Filing: 1969-05-08
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Granted: 1971-09-20
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Expires: 1989-05-08
Abstract
Abstract DISCLOSES AN ABRASIVE POLISHING OR FINISHING ARTICLE CONSISTING OF A BACKING LAYER MADE OF CHAMOIS LEATHER, OR EQUIVALENT, POROUS TO SLURRIES SUCH AS WATER OR OIL, AND COATED ON THE FRONT SURFACES WITH A MATRIX CONSISTING OF A THERMOPLASTIC, FLEXIBLE BINDER, IN WHICH ARE EMBEDDED ABRASIVE PARTICLES ORIENTATED IN LARGE PART WITH PLANE FACES THEREOF FACING UPWARDS TO ENGAGE THE SURFACE TO BE POLISHED. THE ABRASIVE INCORPORATING THERMOPLASTIC COATING IS PREFERABLY DISPOSED IN A PATTERN OF "ISLANDS," SO AS TO LEAVE CHANNELS THEREBETWEEN FOR CIRCULATION OF SLURRY.
Inventors
- 👤 Frederick B Anthon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:29
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/04; B24D18/00
Claims Analysis
Total Claims: 0
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |