US2068848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming diamondiferous abrasive compositions
Assignee: Metal Carbides Corp
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Filing: 1934-02-23
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Granted: 1937-01-26
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Expires: 1954-02-23
Abstract
No abstract record available.
Inventors
- 👤 Bats Jean Hubert Louis De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:37
CPC Classifications
C; C22; C22C; C22C26/00; Y; Y10; Y10S; Y10S76/00; Y10S76/11; Y10S76/12; Y10T; Y10T29/00; Y10T29/23; Y10T407/00; Y10T407/26; Y10T407/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-01-26 | 1940-07-27 | 1941-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-26 | 1944-07-27 | 1945-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-26 | 1948-07-27 | 1949-01-26 | $7700.00 | Window Closed / Lapsed |