US2652520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite sintered metal powder article
Assignee: General Electric Co
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Filing: 1949-12-24
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Granted: 1953-09-15
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Expires: 1969-12-24
Abstract
No abstract record available.
Inventors
- 👤 Robert J Studders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:56
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/06; B22F7/062; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928; Y10T; Y10T152/00; Y10T152/10; Y10T152/10279; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49076; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
37 words
A COMPOSITE SINTERED METAL ARTICLE COMPOSED OF SEPARATELY COMPACTED INSERT AND BODY PORTIONS OF DIFFERENT POWDERED METAL COMPOSITIONS COMPACTED AT DIFFERENT PRESSURES SUCH THAT THEY EXHIBIT APPROXIMATELY THE SAME SHRINKAGE CHARACTERISTICS DURING SINTERING OF THE COMPOSITE ARTICLE.
References Cited (Backward Citations)
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US2191936A
Cited
US2275420A
Cited
US2279831A
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US2432819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |