US2963747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of plastic encapsulation using irradiation
Assignee: AT&T Inc
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Filing: 1957-05-15
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Granted: 1960-12-13
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Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Martin J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:08
CPC Classifications
B; B65; B65D; B65D73/00; B65D73/02; B29; B29C; B29C33/00; B29C33/0011; B29C33/0016; B29C35/00; B29C35/02; B29C35/08; B29C39/00; B29C39/003; B29C39/006; B29C39/02; B29C39/04; B29C39/06; B29C39/10; B29C70/00; B29C70/68; B29C70/72; H; H05; H05K; H05K13/00; H05K13/02; H05K13/023; H05K13/024; H05K3/00; H05K3/30; H05K3/306; B29C35/0805; B29C2035/0833; B29C2035/085; B29C35/0866; B29C2035/0877; B29C2791/00; B29C2791/001; B29K; B29K2067/00; B29K2067/06; B29L; B29L2031/00; B29L2031/34; B29L2031/3406; H05K2201/00; H05K2201/10; H05K2201/10007; H05K2201/10166; H05K2201/10227; H05K2201/10424; H05K3/301
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
THE METHOD OF ENCAPSULATING A CAPACITOR IN A STYRENE-POLYESTER RESIN WHICH COMPRISES SUSPENDING SAID CAPACITOR IN A MOLD, POURING LIQUID UNPOLYMERIZED STYRENE-POLYESTER RESIN INTO THE MOLD TO SUBMERGE THE CAPACITOR, THE THICKNESS OF SAID RESIN BEING SUFFICIENT AT ALL POINTS TO PRECLUDE OTHER THAN PARTIAL PENETRATION BY BETA RADIATION, SUBJECTING THE MOLD AND CONTENTS THEREOF TO GAMMA IRRADIATION TO PLACE THE RESIN IN A GALATINOUS STATE, AND THEN SUBJECTING THE EXPOSED SURFACE OF GELATINOUS RESIN TO BETA RADIATION TO HARDEN AN OUTER LAYER OF THE GELATINOUS RESIN.
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |