US2814566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boron and carbon containing hard cemented materials and their production
Assignee: Individual
•
Filing: 1955-11-10
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Granted: 1957-11-26
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Expires: 1975-11-10
Abstract
No abstract record available.
Inventors
- 👤 Frank W Glaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:42
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/56; C04B35/5607; C04B35/5622; C04B35/5611; C04B35/58; C04B35/5805; C04B35/58064; C04B35/58071; C04B35/58078; C04B35/58085; C04B35/58092; C04B35/622; C04B35/64; C04B35/645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A HARD BODY CONSISTING OF CEMENTED PARTICLES, 75%% TO 98% OF THE CONTENT OF SAID BODY CONSISTING ESSENTIALLY OF A CARBIDE AND OF A BORIDE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, MOLYBDENUM, TUNGSTEN, VANADIUM, NIOBIUM, TANTALUM, AND CHROMIUM, SAID CARBIDE AND BORIDE CONTENT COMPRISING 33% TOO 67% OF A CARBIDE OF ONE OF SAID METALS AND 67% TO 33% OF A BORIDE OF ONE OF SAID METALS, SAID BODY ALSO CONTAINING 2% TO 25% OF BORON IN EXCESS OF THE BORON CONTENT OF ITS BORIDE INGREDIENT, ALL PROPORTIONS BEING BY WEIGHT THE CARBIDE AND BORIDE INGREDIENTS OF SAID BODY BEING BOUND BY A SOLIDIFIED LIQUID PHASE FORMED BY SOME OF ITS ITS CONTENT.
Claim 2
Dependent Claim
120 words
A HARD BODY CONSISTING OF CEMENTED PARTICLES, 75%% TO 98% OF THE CONTENT OF SAID BODY CONSISTING ESSENTIALLY OF A CARBIDE AND OF A BORIDE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, MOLYBDENUM, TUNGSTEN, VANADIUM, NIOBIUM, TANTALUM, AND CHROMIUM, SAID CARBIDE AND BORIDE CONTENT COMPRISING 33% TOO 67% OF A CARBIDE OF ONE OF SAID METALS AND 67% TO 33% OF A BORIDE OF ONE OF SAID METALS, SAID BODY ALSO CONTAINING 2% TO 25% OF BORON IN EXCESS OF THE BORON CONTENT OF ITS BORIDE INGREDIENT, ALL PROPORTIONS BEING BY WEIGHT THE CARBIDE AND BORIDE INGREDIENTS OF SAID BODY BEING BOUND BY A SOLIDIFIED LIQUID PHASE FORMED BY SOME OF ITS ITS CONTENT.
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) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |