US3052967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous metallic material and method
Assignee: General Electric Co
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Filing: 1959-09-14
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Granted: 1962-09-11
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Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 Fischer George Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:55
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/1103; B22F3/1112; B22F3/1121; B22F3/24; B22F3/26; B22F2998/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD FOR PREPARING A POROUS METAL COMPRISING: MIXING SIZE CLASSIFIED HOLLOW ORGANIC PARTICLES WITH METALLIC POWDER AND HARDENABLE ORGANIC BINDER; CURING THE MIX TO PRODUCE A HARDENED FORM; HEATING THE FORM IN A NON-OXIDIZING ATMOSPHERE TO DECOMPOSE THE ORGANIC PARTICLES AND THE ORGANIC BINDER, SAID HEATING PRELIMINARILY BONDING THE METALLIC POWDER TOGETHER THROUGH THE PRODUCTS OF DECOMPOSITION; HEATING THE FORM IN AN OXIDIZING ATMOSPHERE TO OXIDIZE AND TO REMOVE THE REMAINING PRODUCTS OF DECOMPOSITION; AND THEN HEATING THE FORM TO A SINTERING TEMPERATURE SUFFICIENT TO BOND THE METALLIC POWDER TOGETHER.
Claim 2
Independent Claim
91 words
A METHOD FOR PREPARING A POROUS METAL COMPRISING: MIXING SIZE CLASSIFIED HOLLOW ORGANIC PARTICLES WITH METALLIC POWDER AND HARDENABLE ORGANIC BINDER; CURING THE MIX TO PRODUCE A HARDENED FORM; HEATING THE FORM IN A NON-OXIDIZING ATMOSPHERE TO DECOMPOSE THE ORGANIC PARTICLES AND THE ORGANIC BINDER, SAID HEATING PRELIMINARILY BONDING THE METALLIC POWDER TOGETHER THROUGH THE PRODUCTS OF DECOMPOSITION; HEATING THE FORM IN AN OXIDIZING ATMOSPHERE TO OXIDIZE AND TO REMOVE THE REMAINING PRODUCTS OF DECOMPOSITION; AND THEN HEATING THE FORM TO A SINTERING TEMPERATURE SUFFICIENT TO BOND THE METALLIC POWDER TOGETHER.
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |