US3372066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated carbide particles
Assignee: Eutectic Corp
•
Filing: 1964-05-06
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Granted: 1968-03-05
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Expires: 1984-05-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Quaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:31
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/32; B23K35/327; C; C09; C09K; C09K3/00; C09K3/14; C09K3/1436; C22; C22C; C22C19/00; C22C9/00; C22C9/06; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/10; C23C4/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A DISCRETE REFRACTORY CARBIDE PARTICLE THE SURFACE OF WHICH IS ENCOMPASSED BY A COATING, SAID COATING COMPRISING A BINDER AND A FLUXING AND PROTECTING AGENT SELECTED FROM THE GROUP CONSISTING OF BORIC ACID, A METAL BORATE, MIXTURES THEREOF AND MIXTURES OF SAID BORIC ACID AND METAL BORATES WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF METAL FLUORIDE, A METAL CHLORIDE AND MIXTURES THEREOF.
Claim 2
Dependent Claim
64 words
A DISCRETE REFRACTORY CARBIDE PARTICLE THE SURFACE OF WHICH IS ENCOMPASSED BY A COATING, SAID COATING COMPRISING A BINDER AND A FLUXING AND PROTECTING AGENT SELECTED FROM THE GROUP CONSISTING OF BORIC ACID, A METAL BORATE, MIXTURES THEREOF AND MIXTURES OF SAID BORIC ACID AND METAL BORATES WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF METAL FLUORIDE, A METAL CHLORIDE AND MIXTURES THEREOF.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |