Patent US2561709A successfully refreshed from Google Patents.
US2561709A
Expired / Lapsed
US
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Diamond-set tool
Assignee: Individual
•
Filing: 1946-10-25
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Granted: 1951-07-24
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Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Norling Gote Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:39
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/04; B24D3/06; C; C22; C22C; C22C26/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
AN ABRASIVE ARTICLE COMPRISING DIAMOND MATERIAL AND A SINTERED METALLIC BOND THEREFOR CONSISTING OF BETWEEN 30 AND 60% OF COBALT, BETWEEN 8 AND 28% OF TIN AND THE REMAINDER COPPER.
Claim 2
Dependent Claim
30 words
AN ABRASIVE ARTICLE COMPRISING DIAMOND MATERIAL AND A SINTERED METALLIC BOND THEREFOR CONSISTING OF BETWEEN 30 AND 60% OF COBALT, BETWEEN 8 AND 28% OF TIN AND THE REMAINDER COPPER.
References Cited (Backward Citations)
US1928747A
Cited
US1848182A
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US2137329A
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US2137281A
Cited
GB528834A
Cited
US2286734A
Cited
US2238351A
Cited
US2352246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |