US3175279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ductile chromium composition
Assignee: Bendix Corp
•
Filing: 1962-03-23
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Granted: 1965-03-30
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Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
- 👤 David M Scruggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:23
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF METALLIC CHROMIUM HAVING FINELY DIVIDED PARTICLES OF A SPINEL OF CHROMIUM OXIDE AND A GROUP II METAL OXIDE UNIFORMLY DISTRIBUTED THROUGHOUT, SAID SPINEL COMPRISING LESS THAN ABOUT 16% OF THE TOTAL VOLUME OF THE TWO MATERIALS.
Claim 2
Dependent Claim
43 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF METALLIC CHROMIUM HAVING FINELY DIVIDED PARTICLES OF A SPINEL OF CHROMIUM OXIDE AND A GROUP II METAL OXIDE UNIFORMLY DISTRIBUTED THROUGHOUT, SAID SPINEL COMPRISING LESS THAN ABOUT 16% OF THE TOTAL VOLUME OF THE TWO MATERIALS.
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |