US3269833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium-iron alloy
Assignee: Bendix Corp
•
Filing: 1965-03-26
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Granted: 1966-08-30
•
Expires: 1985-03-26
Abstract
No abstract record available.
Inventors
- 👤 David M Scruggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:35
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A CHROMIUM-IRON ALLOY HAVING A CONTINUOUS PHASE CONSISTING OF CHROMIUM, IRON AND A SPINEL-LIKE OXIDE DISPERSED THEREIN; SAID SPINEL-LIKE OXIDE COMPRISING LESS THAN ABOUT 10% BY WEIGHT RELATIVE TO THE CHROMIUM CONTENT; AND THE COMBINED CHROMIUM AN SPINEL-LIKE OXIDE CONTENT COMPRISING GREATER THAN 25% BY WEIGHT OF THE CONTINUOUS PHASE.
Claim 2
Dependent Claim
50 words
A CHROMIUM-IRON ALLOY HAVING A CONTINUOUS PHASE CONSISTING OF CHROMIUM, IRON AND A SPINEL-LIKE OXIDE DISPERSED THEREIN; SAID SPINEL-LIKE OXIDE COMPRISING LESS THAN ABOUT 10% BY WEIGHT RELATIVE TO THE CHROMIUM CONTENT; AND THE COMBINED CHROMIUM AN SPINEL-LIKE OXIDE CONTENT COMPRISING GREATER THAN 25% BY WEIGHT OF THE CONTINUOUS PHASE.
References Cited (Backward Citations)
US2588700A
Cited
US3019103A
Cited
US2972529A
Cited
US3152389A
Cited
US3150966A
Cited
US3159908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |