US2878111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-resistant abrasive structures
Assignee: Union Carbide Corp
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Filing: 1954-09-21
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Granted: 1959-03-17
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Expires: 1974-09-21
Abstract
No abstract record available.
Inventors
- 👤 Rupert S Daniels
- 👤 Anthony J Mostello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:37
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/1436; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
BONDED ABRASIVE STRUCTURE COMPRISING ABRASIVE GRAINS INDIVIDUALLY COATED WITH A HEAT-HARDENED VINYL POLYSILOXANE IN AN AMOUNT BETWEEN 0.0001% AND 0.35% BY WEIGHT OF THE ABRSIVE GRAINS, SAID AMOUNT BEING INSUFFICIENT TO CAUSE BONDING TOGETHER OF INDIVIDUAL ABRASIVE GRAINS, SAID COATED GRAINS BEING BONDED TOGETHER WITH A HEAT-HARDENED PHENOLALDEHYDE RESIN.
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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |