US2860960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive articles and method for making the same
Assignee: Abrasive and Metal Products Co
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Filing: 1953-11-10
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Granted: 1958-11-18
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Expires: 1973-11-10
Abstract
No abstract record available.
Inventors
- 👤 John R Gregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:00
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/20; B24D3/28; B24D3/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AN ABRASIVE WHEEL COMPRISING 50% TO 64% ABRASIVE GRAINS BY VOLUME OF THE WHEEL, 12% TO 30% BY VOLUME OF SAID WHEEL OF A PHENOL-ALDEHYDE BOND, AND 0.8% TO 25% BY WEIGHT OF SAID BOND OF A PLASTICIZER FOR SAID BOND CONSISTING OF A CONDENSATION PRODUCT OF ETHYLENE OXIDE AND A HYDROPHOBIC BASE FORMED BY THE CONDENSATION OF PROPYLENE OXIDED WITH PROPYLENE GLYCOL AND HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 2000 AND ABOUT 7500.
Claim 2
Dependent Claim
74 words
AN ABRASIVE WHEEL COMPRISING 50% TO 64% ABRASIVE GRAINS BY VOLUME OF THE WHEEL, 12% TO 30% BY VOLUME OF SAID WHEEL OF A PHENOL-ALDEHYDE BOND, AND 0.8% TO 25% BY WEIGHT OF SAID BOND OF A PLASTICIZER FOR SAID BOND CONSISTING OF A CONDENSATION PRODUCT OF ETHYLENE OXIDE AND A HYDROPHOBIC BASE FORMED BY THE CONDENSATION OF PROPYLENE OXIDED WITH PROPYLENE GLYCOL AND HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 2000 AND ABOUT 7500.
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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |