US3098730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding wheels having unsaturated organic polymeric bonds and the like
Assignee: Saint Gobain Abrasives Inc
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Filing: 1959-07-22
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Granted: 1963-07-23
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Expires: 1979-07-22
Abstract
No abstract record available.
Inventors
- 👤 Robert A Rowse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:14
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/1436; B; B24; B24D; B24D18/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN ORGANIC BONDED ABRASIVE ARTICLE COMPRISING ABRASIVE GRANTS HAVING A KNOOP HARDNESS GREATER THAN 1000 AND UNSATURATED POLYMER BOND SELECTED FROM THE GROUP CONSISTING OF RUBBER MIXED WITH PHENOLIC RESIN, POLYMERS AND COPOLYMERS OF BUTADIENE, SAID POLYMER BOND BEING ADHERED TO THE ABRASIVE GRAINS WITH THE AID OF A PREVIOUS APPLIED ORGANO FUNCTIONAL ALKENYL POLYSILOXANE COATING ON SAID GRAINS, AT LEAST 5% BY WEIGHT OF SAID ARTICLE BEING COMPOSED OF ABRASIVE GRAINS SELECTED FROM THE GROUP CONSISTING OF AL2O3 AND SIC AND MIXTURES THERE OF, SAID POLYSILOXANE BEING DERIVED FROM THE BASIC SILANE STRUCTURE
Claim 2
Dependent Claim
94 words
AN ORGANIC BONDED ABRASIVE ARTICLE COMPRISING ABRASIVE GRANTS HAVING A KNOOP HARDNESS GREATER THAN 1000 AND UNSATURATED POLYMER BOND SELECTED FROM THE GROUP CONSISTING OF RUBBER MIXED WITH PHENOLIC RESIN, POLYMERS AND COPOLYMERS OF BUTADIENE, SAID POLYMER BOND BEING ADHERED TO THE ABRASIVE GRAINS WITH THE AID OF A PREVIOUS APPLIED ORGANO FUNCTIONAL ALKENYL POLYSILOXANE COATING ON SAID GRAINS, AT LEAST 5% BY WEIGHT OF SAID ARTICLE BEING COMPOSED OF ABRASIVE GRAINS SELECTED FROM THE GROUP CONSISTING OF AL2O3 AND SIC AND MIXTURES THERE OF, SAID POLYSILOXANE BEING DERIVED FROM THE BASIC SILANE STRUCTURE
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |