Patent US1514379A successfully refreshed from Google Patents.
US3016294A
Expired / Lapsed
US
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Abrasive product
Assignee: Saint Gobain Abrasives Inc
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Filing: 1959-04-21
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Granted: 1962-01-09
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Expires: 1979-04-21
Abstract
No abstract record available.
Inventors
- 👤 George L Haywood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:45
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/001; B24D11/005; B24D18/00; B24D18/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A METHOD OF MAKING AN ABRASIVE ARTICLE FROM A NONWOVEN FIBROUS WEB, SAID ARTICLE HAVING AT LEAST ONE SURFACE THEREOF CONTAINING PREDOMINANTLY THE ENDS OF THE INDIVIDUAL FIBRES COMPRISING SUCH WEB WHICH COMPRISES: SUBSTANTIALLY SATURATING WITH A SLURRY OF ADHESIVE AND ABRASIVE GRAIN A RELATIVELY THIN WIDE NON-FELTED, OPEN, NON-WOVEN FIBROUS WEB, SAID WEB HAVING THE MAJORITY OF THE INDIVIDUAL FIBRES THEREOF RANDOMLY DISPOSED WITH THEIR LENGHT DIRECTIONS LYING MORE ON HORIZONTAL THAN IN VERTICAL PLANES WITH RESPECT TO THE PLANE OF SAID WEB SO THAT SAID INDIVIDUAL FIBRES ARE COATED UPON THEIR SURFAACES WITH SAID ABRASIVE GRAIN AND ADHESIVE; ROLLING SAID SATURATED WEB TIGHTLY UPON ITSELF TO FORM A ROLL; CURING SAID ADHESIVE WHILE SAID WEB IS IN RLL FORM TO PRODUCE A UNIFIED, SELFSUSTAINING STRUCTURE; AND THEN SLICING SAID ROLL TO PRODUCE SAID ARTICLE.
Claim 2
Independent Claim
136 words
A METHOD OF MAKING AN ABRASIVE ARTICLE FROM A NONWOVEN FIBROUS WEB, SAID ARTICLE HAVING AT LEAST ONE SURFACE THEREOF CONTAINING PREDOMINANTLY THE ENDS OF THE INDIVIDUAL FIBRES COMPRISING SUCH WEB WHICH COMPRISES: SUBSTANTIALLY SATURATING WITH A SLURRY OF ADHESIVE AND ABRASIVE GRAIN A RELATIVELY THIN WIDE NON-FELTED, OPEN, NON-WOVEN FIBROUS WEB, SAID WEB HAVING THE MAJORITY OF THE INDIVIDUAL FIBRES THEREOF RANDOMLY DISPOSED WITH THEIR LENGHT DIRECTIONS LYING MORE ON HORIZONTAL THAN IN VERTICAL PLANES WITH RESPECT TO THE PLANE OF SAID WEB SO THAT SAID INDIVIDUAL FIBRES ARE COATED UPON THEIR SURFAACES WITH SAID ABRASIVE GRAIN AND ADHESIVE; ROLLING SAID SATURATED WEB TIGHTLY UPON ITSELF TO FORM A ROLL; CURING SAID ADHESIVE WHILE SAID WEB IS IN RLL FORM TO PRODUCE A UNIFIED, SELFSUSTAINING STRUCTURE; AND THEN SLICING SAID ROLL TO PRODUCE SAID ARTICLE.
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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) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |