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Patent US2510718A successfully refreshed from Google Patents.
US2510718A
Expired / Lapsed
US
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Method of heat-treating
Assignee: Individual
•
Filing: 1947-09-10
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Granted: 1950-06-06
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Expires: 1967-09-10
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:05
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/68; C21D1/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN THE HEAT TREATMENT OF A METAL ARTICLE INCLUDING A RELATIVELY THIN-SECTIONED MEMBER CONFINED AGAINST EXPANSION OR CONTRACTION BY A RELATIVELY HEAVY-SECTIONED MEMBER, THE STEPS OF COVERING THE THIN-SECTION MEMBER WITH METAL PARTICLES OF SUCH A SIZE AND TYPE THAT THE MEMBERS WILL EXPAND AND CONTRACT SUBSTANTIALLY SIMULTANEOUSLY AND SUBSTANTIALLY THE SAME AMOUNT, HEATING THE METAL ARTICLE TO A PREDETERMINED TEMPERATURE WHILE SO COVERED, COOLING THE ARTICLE WHILE SO COVERED, AND THEN REMOVING THE PARTICULATED METAL FROM SAID ARTICLE.
Claim 2
Dependent Claim
79 words
IN THE HEAT TREATMENT OF A METAL ARTICLE INCLUDING A RELATIVELY THIN-SECTIONED MEMBER CONFINED AGAINST EXPANSION OR CONTRACTION BY A RELATIVELY HEAVY-SECTIONED MEMBER, THE STEPS OF COVERING THE THIN-SECTION MEMBER WITH METAL PARTICLES OF SUCH A SIZE AND TYPE THAT THE MEMBERS WILL EXPAND AND CONTRACT SUBSTANTIALLY SIMULTANEOUSLY AND SUBSTANTIALLY THE SAME AMOUNT, HEATING THE METAL ARTICLE TO A PREDETERMINED TEMPERATURE WHILE SO COVERED, COOLING THE ARTICLE WHILE SO COVERED, AND THEN REMOVING THE PARTICULATED METAL FROM SAID ARTICLE.
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) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |