Patent US2322746A successfully refreshed from Google Patents.
Patent US3202951A successfully refreshed from Google Patents.
US3202951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloys and electrical transducers
Assignee: Individual
•
Filing: 1961-08-16
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Granted: 1965-08-24
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Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 Krinsky Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:09
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/075; H01C17/08; C; C22; C22C; C22C30/00; C23; C23C; C23C14/00; C23C14/06; C23C14/14; H01B; H01B1/00; H01B1/02; H01C7/00; H01C7/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN ALLOY FOR USE AS A HEAT GENERATING ELECTRIC CURRENT CONDUCTING ELEMENT AND AS A PROTECTIVE COATING SUBJECTED TO HEAT CONSISTING ESSENTIALLY OF 25 TO 30 ATOMIC PERCENT IRON, 55 TO 50 ATOMIC PERCENT ALUMINUM, AND 20 TO 40 ATOMIC PERCENT TITANIUM, CHARACTERIZED BY RESISTANCE TO OXIDATION ON EXPOSURE TO AIR AND SUBJECTION TO CONCURRENT TEMPERATURES UP TO ABOUT 400*C.
Claim 2
Dependent Claim
60 words
AN ALLOY FOR USE AS A HEAT GENERATING ELECTRIC CURRENT CONDUCTING ELEMENT AND AS A PROTECTIVE COATING SUBJECTED TO HEAT CONSISTING ESSENTIALLY OF 25 TO 30 ATOMIC PERCENT IRON, 55 TO 50 ATOMIC PERCENT ALUMINUM, AND 20 TO 40 ATOMIC PERCENT TITANIUM, CHARACTERIZED BY RESISTANCE TO OXIDATION ON EXPOSURE TO AIR AND SUBJECTION TO CONCURRENT TEMPERATURES UP TO ABOUT 400*C.
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |