Patent JPS5690167A successfully refreshed from Google Patents.
US3078552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper foam material and method
Assignee: General Electric Co
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Filing: 1959-12-03
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Granted: 1963-02-26
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Expires: 1979-12-03
Abstract
No abstract record available.
Inventors
- 👤 Max F Grandey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:18
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/1121; B22F3/1125; F; F28; F28F; F28F13/00; F28F13/003; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A METHOD FOR MAKING POROUS COPPER MATERIAL COMPRISING THE STEPS OF: PRODUCING A MIXTURE OF A COPPER POWDER, A PHENOLIC FOAMABLE RESIN, A CATALYZING AGENT FOR PHENOLIC RESINS, A BODYING RESIN COMPATIBLE WITH PHENOLIC RESIN AND WHICH WILL KEEP THE PRODUCT FROM SAGGING DURING THE EARLY STAGES OF HEAT TREATMENT AND A FOAMING AGENT; FOAMING THE MIXTURE; HEATING TO PRELIMINARILY CURE THE MIXTURE INTO A FOAMED MATERIAL; HEATING THE MATERIAL AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO DECOMPOSE THE OGANIC INGREDIENTS IN THE MIXTURE; HEATING THE MATERIAL AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO PRELIMINARLY SINTER THE COPER POWDER; HEATING THE MATERIAL IN AN OXIDIZING ATMOSPHERE AT A TEMPERATURE LOWER THAN THAT TO PRELIMINARILY SINTER THE COOPER POWDER AND FOR A TIME SUFFICIENT TO OXIDIZE RESIDE OF THE ORGANIC INGREDIENT; AND THEN HEATING THE MATERIAL AT A TEMPERATURE SUFFICIENT TO SINTER THE COPPER POWDER.
Claim 2
Independent Claim
148 words
A METHOD FOR MAKING POROUS COPPER MATERIAL COMPRISING THE STEPS OF: PRODUCING A MIXTURE OF A COPPER POWDER, A PHENOLIC FOAMABLE RESIN, A CATALYZING AGENT FOR PHENOLIC RESINS, A BODYING RESIN COMPATIBLE WITH PHENOLIC RESIN AND WHICH WILL KEEP THE PRODUCT FROM SAGGING DURING THE EARLY STAGES OF HEAT TREATMENT AND A FOAMING AGENT; FOAMING THE MIXTURE; HEATING TO PRELIMINARILY CURE THE MIXTURE INTO A FOAMED MATERIAL; HEATING THE MATERIAL AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO DECOMPOSE THE OGANIC INGREDIENTS IN THE MIXTURE; HEATING THE MATERIAL AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO PRELIMINARLY SINTER THE COPER POWDER; HEATING THE MATERIAL IN AN OXIDIZING ATMOSPHERE AT A TEMPERATURE LOWER THAN THAT TO PRELIMINARILY SINTER THE COOPER POWDER AND FOR A TIME SUFFICIENT TO OXIDIZE RESIDE OF THE ORGANIC INGREDIENT; AND THEN HEATING THE MATERIAL AT A TEMPERATURE SUFFICIENT TO SINTER THE COPPER POWDER.
References Cited (Backward Citations)
US1988861A
Cited
US2917384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |