US2577005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making molded condensers
Assignee: Micamold Radio Corp
•
Filing: 1948-03-04
•
Granted: 1951-12-04
•
Expires: 1968-03-04
Abstract
No abstract record available.
Inventors
- 👤 Giacomo Aniello Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:56
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
THE METHOD OF MAKING A MOLDED ELECTRICAL CONDENSER, CONSISTING OF A CONDENSER UNIT, ENCASED IN A THERMOSET RESINOUS SHELL, WHICH COMPRISES: SUPPORTING SAID CONDENSER IN A HEATED INJECTION MOLD AND IN SPACED RELATION TO THE INNER WALLS THEREOF; INJECTING INTO SAID MOLD, AT A PRESSURE BELOW 300 POUNDS PER SQUARE INCH, A POLYMERIZABLE AND THERMOSETTING MOLDING COMPOSITION WHICH IS FLOWABLE AT ROOM TEMPERATURE AND WHICH COMPRISES A VINYL COMPOUND AND AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF UNSATURATED ESTERS AND POLYMERS THEREOF, IN AN ADMIXTURE WITH A CATALYST AND AN INERT FILLER; CONTINUING SAID INJECTION UNTIL SAID MOLD IS SUBSTANTIALLY FILLED AND THE CONDENSER WHOLLY ENCASED IN SAID COMPOSITION; THEREAFTER MAINTAINING SAID MOLD AT AN ELEVATED TEMPERATURE AND FOR A PERIOD SUFFICIENT TO CONVERT SAID MOLDING COMPOSITION INTO A SOLID AND THERMOSET STATE, SAID MOLDING POSITION BEING SUBJECTED TO A PRESSURE LESS THAN 300 POUNDS PER SQUARE INCH DURING ALL OF THE AFOREMENTIONED STEPS, AND THEREUPON REMOVING THE SO ENCASED CONDENSER FROM SAID MOLD.
Claim 2
Independent Claim
167 words
THE METHOD OF MAKING A MOLDED ELECTRICAL CONDENSER, CONSISTING OF A CONDENSER UNIT, ENCASED IN A THERMOSET RESINOUS SHELL, WHICH COMPRISES: SUPPORTING SAID CONDENSER IN A HEATED INJECTION MOLD AND IN SPACED RELATION TO THE INNER WALLS THEREOF; INJECTING INTO SAID MOLD, AT A PRESSURE BELOW 300 POUNDS PER SQUARE INCH, A POLYMERIZABLE AND THERMOSETTING MOLDING COMPOSITION WHICH IS FLOWABLE AT ROOM TEMPERATURE AND WHICH COMPRISES A VINYL COMPOUND AND AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF UNSATURATED ESTERS AND POLYMERS THEREOF, IN AN ADMIXTURE WITH A CATALYST AND AN INERT FILLER; CONTINUING SAID INJECTION UNTIL SAID MOLD IS SUBSTANTIALLY FILLED AND THE CONDENSER WHOLLY ENCASED IN SAID COMPOSITION; THEREAFTER MAINTAINING SAID MOLD AT AN ELEVATED TEMPERATURE AND FOR A PERIOD SUFFICIENT TO CONVERT SAID MOLDING COMPOSITION INTO A SOLID AND THERMOSET STATE, SAID MOLDING POSITION BEING SUBJECTED TO A PRESSURE LESS THAN 300 POUNDS PER SQUARE INCH DURING ALL OF THE AFOREMENTIONED STEPS, AND THEREUPON REMOVING THE SO ENCASED CONDENSER FROM SAID MOLD.
References Cited (Backward Citations)
US1333004A
Cited
US1455199A
Cited
US1871492A
Cited
US1873548A
Cited
US1888613A
Cited
GB484925A
Cited
US2255313A
Cited
US2407479A
Cited
US2442810A
Cited
US2400892A
Cited
US2456381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |