US3436610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulated capacitor
Assignee: Duracell Inc USA
•
Filing: 1967-12-21
•
Granted: 1969-04-01
•
Expires: 1987-12-21
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Sparrow
- 👤 Jerry Braiman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/003; H01G9/00; H01G9/004; H01G9/08; H01G9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2388139A
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US2533716A
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US2970182A
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US3058040A
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US3020453A
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US3070647A
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US3221089A
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US3261902A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |