US2996368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive fabrics
Assignee: AT&T Inc
•
Filing: 1958-12-11
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Granted: 1961-08-15
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Harold W Hermance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:30
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/001; B24D11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF PRODUCING AN ABRASIVE CLOTH COMPRISING DEPOSITING ABRASIVE PARTICLES ONTO THE FACE OF A PILE FABRIC, THE PILE OF WHICH COMPRISES FIBERS CONSISTING ESSENTIALLY OF A THERMOPLASTIC MATERIAL, HEATING THE FABRIC IN A MANNER SO AS TO FUSE THE UPPER PORTIONS OF THE THERMOPLASTIC PILE FIBERS, AND COOLING THE FABRIC TO BOND ABRASIVE PARTICLES TO THE SAID UPPER PORTIONS.
Claim 2
Independent Claim
61 words
THE METHOD OF PRODUCING AN ABRASIVE CLOTH COMPRISING DEPOSITING ABRASIVE PARTICLES ONTO THE FACE OF A PILE FABRIC, THE PILE OF WHICH COMPRISES FIBERS CONSISTING ESSENTIALLY OF A THERMOPLASTIC MATERIAL, HEATING THE FABRIC IN A MANNER SO AS TO FUSE THE UPPER PORTIONS OF THE THERMOPLASTIC PILE FIBERS, AND COOLING THE FABRIC TO BOND ABRASIVE PARTICLES TO THE SAID UPPER PORTIONS.
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |