US3301645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tungsten carbide compositions, method and cutting tool
Assignee: ExxonMobil Upstream Research Co
•
Filing: 1962-04-03
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Granted: 1967-01-31
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Expires: 1982-04-03
Abstract
No abstract record available.
Inventors
- 👤 William D Smiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:56
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/082; C; C01; C01B; C01B32/00; C01B32/90; C01B32/914; C01B32/949; C22; C22C; C22C29/00; C23; C23C; C23C24/00; C23C24/08; C23C24/10; C23C24/103; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2004/00; C01P2004/01; C01P2004/03; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/932; Y10T; Y10T428/00; Y10T428/12; Y10T428/12007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A TOOL COMPRISING A FERROALLOY BODY, A MATRIX CONGRANULES BONDED TO SAID BODY, AND A PLURALITY OF PARTICULATE CUTTING ELEMENTS EMBEDDED WITHIN SAID MATRIX, SAID GRANULES BEING CHARACTERIZED BY X-RAY DIFFRACTION PEAKS AT 2$ VALUES OF ABOUT 36.6 AND ABOUT 42.5 DEGREES.
Claim 2
Dependent Claim
42 words
A TOOL COMPRISING A FERROALLOY BODY, A MATRIX CONGRANULES BONDED TO SAID BODY, AND A PLURALITY OF PARTICULATE CUTTING ELEMENTS EMBEDDED WITHIN SAID MATRIX, SAID GRANULES BEING CHARACTERIZED BY X-RAY DIFFRACTION PEAKS AT 2$ VALUES OF ABOUT 36.6 AND ABOUT 42.5 DEGREES.
References Cited (Backward Citations)
US2149939A
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US2156365A
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US2136359A
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US2174980A
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US2240829A
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US3028644A
Cited
US3070420A
Cited
US3165570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |