Patent US3305614A successfully refreshed from Google Patents.
US3305614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for potting electrical apparatus with filling material
Assignee: General Electric Co
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Filing: 1963-11-05
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Granted: 1967-02-21
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Robert H Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:10
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/005; H01F27/00; H01F27/02; H01F27/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD FOR POTTING A FLOURSECENT LAMP BALLAST IN A CASE WITH FILLING MATERIAL, SAID CASE HAVING AN OPENING AND A COVERPLATE FOR CLOSING SAID OPENING, SAID FILLING MATERIAL HARDENING WHEN COOLED, SAID METHOD COMPRSING THE STEPS OF : CLOSING THE OPENING IN THE CASE WITH A MOLD PLATE, SAID MOLD PLATE HAVING A RISER PORTION CONNECTED TO A VACUUM SOURCE AND HAVING A CONNECTION TO A SUPPLY OF FILLING MATERIAL, COOLING SAID MOLD PLATE, SUBJECTING THE CASE TO A VACUUM THROUGH THE RISER PORTION OF SAID MOLD PLATE TO DRAW FILLING MATERIAL INTO THE CASE, SAID FILLING MATERIAL IN SAID RISER PORTION HARDENING TO STOP THE FLOW OF FILLING MATERIAL, CAUSING THE MOLD PLATE TO BE SEPARATED FROM THE CASE, AND ATTCHING THE COVERPLATE TO THE CASE.
Claim 2
Independent Claim
128 words
A METHOD FOR POTTING A FLOURSECENT LAMP BALLAST IN A CASE WITH FILLING MATERIAL, SAID CASE HAVING AN OPENING AND A COVERPLATE FOR CLOSING SAID OPENING, SAID FILLING MATERIAL HARDENING WHEN COOLED, SAID METHOD COMPRSING THE STEPS OF : CLOSING THE OPENING IN THE CASE WITH A MOLD PLATE, SAID MOLD PLATE HAVING A RISER PORTION CONNECTED TO A VACUUM SOURCE AND HAVING A CONNECTION TO A SUPPLY OF FILLING MATERIAL, COOLING SAID MOLD PLATE, SUBJECTING THE CASE TO A VACUUM THROUGH THE RISER PORTION OF SAID MOLD PLATE TO DRAW FILLING MATERIAL INTO THE CASE, SAID FILLING MATERIAL IN SAID RISER PORTION HARDENING TO STOP THE FLOW OF FILLING MATERIAL, CAUSING THE MOLD PLATE TO BE SEPARATED FROM THE CASE, AND ATTCHING THE COVERPLATE TO THE CASE.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |