Patent US3846084A successfully refreshed from Google Patents.
US3846084A
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US
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Chromium-chromium carbide powder and article made therefrom
Assignee: Praxair ST Technology Inc
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Filing: 1973-08-15
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Granted: 1974-11-05
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Expires: 1993-08-15
Abstract
Abstract 1. A POWDER CONTAINING FROM ABOUT 0.2 WT. PERCENT TO ABOUT 5.4 WT. PERCENT CARBON AND WHEREIN SUBSTANTIALLY EVERY PARTICLE OF SAID POWDER CONSISTS ESSENTIALLY OF CHROMIUM AND AT LEAST ONE CHROMIUM CARBIDE TAKEN FROM THE CLASS CONSISTING OF CR23C6;CR7C3 AND CR3C2.
Inventors
- 👤 J Pelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:06
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C22; C22C; C22C32/00; C22C32/0047; C22C32/0052; F; F02; F02B; F02B55/00; F02B55/08; Y; Y10; Y10S; Y10S75/00; Y10S75/956; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12146; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A POWDER CONTAINING FROM ABOUT 0.2 WT. PERCENT TO ABOUT 5.4 WT. PERCENT CARBON AND WHEREIN SUBSTANTIALLY EVERY PARTICLE OF SAID POWDER CONSISTS ESSENTIALLY OF CHROMIUM AND AT LEAST ONE CHROMIUM CARBIDE TAKEN FROM THE CLASS CONSISTING OF CR23C6;CR7C3 AND CR3C2.
Claim 2
Dependent Claim
41 words
A POWDER CONTAINING FROM ABOUT 0.2 WT. PERCENT TO ABOUT 5.4 WT. PERCENT CARBON AND WHEREIN SUBSTANTIALLY EVERY PARTICLE OF SAID POWDER CONSISTS ESSENTIALLY OF CHROMIUM AND AT LEAST ONE CHROMIUM CARBIDE TAKEN FROM THE CLASS CONSISTING OF CR23C6;CR7C3 AND CR3C2.
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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |