US3323879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powdered metal films
Assignee: GTE Sylvania Inc
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Filing: 1963-09-04
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Granted: 1967-06-06
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Expires: 1983-09-04
Abstract
No abstract record available.
Inventors
- 👤 Donald R Kerstetter
- 👤 Samuel J Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:54
CPC Classifications
H; H01; H01M; H01M4/00; B; B22; B22F; B22F5/00; B22F5/006; B22F2998/00; B22F2998/10; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S75/00; Y10S75/95; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153; Y10T428/12431
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR FABRICATING A PLIABLE SELF-SUPPORTING METAL STRIP COMPRISING THE STEPS OF: CASTING ONTO A SUPPORT A VISCOUS SUSPENSION CONTAINING SINTERABLE METAL PARTICLES IN CONTACTING RELATIONSHIP AND HOMOGENEOUSLY DISPERSED IN AN ORGANIC BINDER, A BINDER PLASTICIZER, AND A VOLATILE SOLVENT; DRYING SAID CAST SUSPENSION TO REMOVE SAID SOLVENT AND PROVIDE A PLIABLE SELF-SUPPORTING FILM; REMOVING SAID FILM FROM SAID SUPPORT; AND HEATING SAID FILM SUFFICIENTLY TO VOLATILIZE SAID BINDER AND PLASTICIZER AND SINTER SAID METAL PARTICLES TO PROVIDE SAID METAL STRIP, SAID STRIP HAVING A SUBSTANTIALLY UNIFORM THICKNESS IN THE RANGE OF ABOUT 0.0008 TO 0.060 INCH AND A UNIFORM AND CONTROLLED POROSITY IN THE RANGE OF ABOUT 50% TO 90%.
Claim 2
Dependent Claim
112 words
A PROCESS FOR FABRICATING A PLIABLE SELF-SUPPORTING METAL STRIP COMPRISING THE STEPS OF: CASTING ONTO A SUPPORT A VISCOUS SUSPENSION CONTAINING SINTERABLE METAL PARTICLES IN CONTACTING RELATIONSHIP AND HOMOGENEOUSLY DISPERSED IN AN ORGANIC BINDER, A BINDER PLASTICIZER, AND A VOLATILE SOLVENT; DRYING SAID CAST SUSPENSION TO REMOVE SAID SOLVENT AND PROVIDE A PLIABLE SELF-SUPPORTING FILM; REMOVING SAID FILM FROM SAID SUPPORT; AND HEATING SAID FILM SUFFICIENTLY TO VOLATILIZE SAID BINDER AND PLASTICIZER AND SINTER SAID METAL PARTICLES TO PROVIDE SAID METAL STRIP, SAID STRIP HAVING A SUBSTANTIALLY UNIFORM THICKNESS IN THE RANGE OF ABOUT 0.0008 TO 0.060 INCH AND A UNIFORM AND CONTROLLED POROSITY IN THE RANGE OF ABOUT 50% TO 90%.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |