Patent US2792302A successfully refreshed from Google Patents.
US2792302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making porous metallic bodies
Assignee: Connecticut Metals Inc
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Filing: 1955-08-29
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Granted: 1957-05-14
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Lambert H Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:32
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/1121; B22F2998/00; B22F2998/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS FOR MAKING POROUS METALLIC BODIES USEFUL AS FILTERS WHICH COMPRISES, IN SEQUENCE, THE STEPS OF MIXING METAL POWDER WITH A BINDER O FORM A PLASTIC MASS, EXTRUDING SAID MASS AS A SHAPED BODY, APPLYING PRESSURE TO SAID BODY WHEREBY METAL PARTICLES THEREIN ARE REORIENTED AND THEN HEATING SAID BODY TO VOLATILIZE THE BINDER AND SINTER THE METAL POWDER, SAID PRESSURE APPLIED TO SAID BODY BEING SUFFICIENT TO SIGNIFICANTLY INCREASE THE DENSITY OF THE RESULTING POROUS METALLIC BODY AND DECREASE THE MAXIMUM PORE SIZE THEREOF WITHOUT MATERIALLY ALTERING THE MEAN PORE SIZE.
Claim 2
Dependent Claim
93 words
A PROCESS FOR MAKING POROUS METALLIC BODIES USEFUL AS FILTERS WHICH COMPRISES, IN SEQUENCE, THE STEPS OF MIXING METAL POWDER WITH A BINDER O FORM A PLASTIC MASS, EXTRUDING SAID MASS AS A SHAPED BODY, APPLYING PRESSURE TO SAID BODY WHEREBY METAL PARTICLES THEREIN ARE REORIENTED AND THEN HEATING SAID BODY TO VOLATILIZE THE BINDER AND SINTER THE METAL POWDER, SAID PRESSURE APPLIED TO SAID BODY BEING SUFFICIENT TO SIGNIFICANTLY INCREASE THE DENSITY OF THE RESULTING POROUS METALLIC BODY AND DECREASE THE MAXIMUM PORE SIZE THEREOF WITHOUT MATERIALLY ALTERING THE MEAN PORE SIZE.
References Cited (Backward Citations)
US2001134A
Cited
US2622024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |