US3277350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wet electrolytic encapsulated capacitor
Assignee: Duracell Inc USA
•
Filing: 1962-11-16
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Granted: 1966-10-04
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Pearce Godfrey Roy
- 👤 Ronald A Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:25
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A METHOD OF ENCAPSULATING A WET ELECTROLYTIC CAPACITOR BODY COMPRISING THE STEPS OF PREFORMING A PLASTIC CASING HAVING OPEN ENDS AND HAVING CONTOURS SUBSTANTIALLY EQUIVALENT TO THE CONTOURS OF SAID WET CAPACITOR BODY, ORIENTING SAID CAPACITOR BODY WITHIN SAID CASING WITH SAID CAPACITOR BODY INTERMEDIATE THE ENDS OF SAID CASING SO THAT ONLY THE LEADS OF SAID CAPACITOR BODY PROJECT FROM SAID CASING, POSITIONING SAID CASING CONTAINING SAID CAPACITOR BODY IN A MOLD CAVITY, AND INTRODUCING MOLTEN PLASTIC MATERIAL HAVING FUSION CHARACTERISTICS SUBSTANTIALLY EQUIVALENT TO THOSE OF SAID PREFORM CASING INTO SAID CASING IN SAID MOLD CAVITY SO AS TO FILL ALL VOIDS WITHIN SAID CASING, SAID MATERIAL COALESCING WITH SAID PREFORM CASING THEREBY PRODUCING A UNITARY CAPACITOR CAPSULE COMPLETELY COVERING SAID CAPACITOR BODY AND ADHERING TO SAID TERMINAL LEADS TO FORM A TIGHT SEAL THEREWITH.
Claim 2
Independent Claim
136 words
A METHOD OF ENCAPSULATING A WET ELECTROLYTIC CAPACITOR BODY COMPRISING THE STEPS OF PREFORMING A PLASTIC CASING HAVING OPEN ENDS AND HAVING CONTOURS SUBSTANTIALLY EQUIVALENT TO THE CONTOURS OF SAID WET CAPACITOR BODY, ORIENTING SAID CAPACITOR BODY WITHIN SAID CASING WITH SAID CAPACITOR BODY INTERMEDIATE THE ENDS OF SAID CASING SO THAT ONLY THE LEADS OF SAID CAPACITOR BODY PROJECT FROM SAID CASING, POSITIONING SAID CASING CONTAINING SAID CAPACITOR BODY IN A MOLD CAVITY, AND INTRODUCING MOLTEN PLASTIC MATERIAL HAVING FUSION CHARACTERISTICS SUBSTANTIALLY EQUIVALENT TO THOSE OF SAID PREFORM CASING INTO SAID CASING IN SAID MOLD CAVITY SO AS TO FILL ALL VOIDS WITHIN SAID CASING, SAID MATERIAL COALESCING WITH SAID PREFORM CASING THEREBY PRODUCING A UNITARY CAPACITOR CAPSULE COMPLETELY COVERING SAID CAPACITOR BODY AND ADHERING TO SAID TERMINAL LEADS TO FORM A TIGHT SEAL THEREWITH.
References Cited (Backward Citations)
US2049553A
Cited
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Cited
US2970182A
Cited
US3058040A
Cited
US3221089A
Cited
US3226463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |