US3037852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing abrasive rolls and sheets
Assignee: Abrasive Products Inc
•
Filing: 1959-11-02
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Granted: 1962-06-05
•
Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richard H White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:25
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/001; B24D11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE METHOD OF MANUFACTURING A COATED ABRASIVE SHEET WHICH COMPRISES FEEDING A SHEET OF BACKING MATERIAL CONTINUOUSLY TO GRIT-SPREADING EQUIPMENT WHILE MASKING THE ENTIRE PORTION OF ONE MARGINAL EDGE OF SUBSTANTIALLY UNIFORM WIDTH OF THE BACKING MATERIAL AS IT IS FED, WITH A STRIP OF PRESSURE-SENSITIVE ADHESIVE TAPE OF LESS WIDTH THAN THE WIDTH OF THE BACKING MATERIAL, COATING THE ENTIRE COMPOSITE MATERAIL WITH LIQUID GRIT-SECURING ADHESIVE, SPREADING GRIFT OVER THE ENTIRE COATED COMPOSITE MATERIAL AND THEREAFTER STRIPPING THE ADHESIVE-GRIT-COVERED MASKING TAPE FROM THE BACKING SHEET TO PROVIDE A GRIT COVERED ABRASIVE SHEET HAVING ONE MARGINAL EDGE THEREOF OF UNIFORM WIDTH FREE OF GRIT AND COMPOSED ESSENTIALLY OF ONLY SAID GRIT-COVERED BACKING MATERIAL.
Claim 2
Independent Claim
113 words
THE METHOD OF MANUFACTURING A COATED ABRASIVE SHEET WHICH COMPRISES FEEDING A SHEET OF BACKING MATERIAL CONTINUOUSLY TO GRIT-SPREADING EQUIPMENT WHILE MASKING THE ENTIRE PORTION OF ONE MARGINAL EDGE OF SUBSTANTIALLY UNIFORM WIDTH OF THE BACKING MATERIAL AS IT IS FED, WITH A STRIP OF PRESSURE-SENSITIVE ADHESIVE TAPE OF LESS WIDTH THAN THE WIDTH OF THE BACKING MATERIAL, COATING THE ENTIRE COMPOSITE MATERAIL WITH LIQUID GRIT-SECURING ADHESIVE, SPREADING GRIFT OVER THE ENTIRE COATED COMPOSITE MATERIAL AND THEREAFTER STRIPPING THE ADHESIVE-GRIT-COVERED MASKING TAPE FROM THE BACKING SHEET TO PROVIDE A GRIT COVERED ABRASIVE SHEET HAVING ONE MARGINAL EDGE THEREOF OF UNIFORM WIDTH FREE OF GRIT AND COMPOSED ESSENTIALLY OF ONLY SAID GRIT-COVERED BACKING MATERIAL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |