Patent US3073943A successfully refreshed from Google Patents.
US3073943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of electrical capacitors
Assignee: International Standard Electric Corp
•
Filing: 1955-05-06
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Granted: 1963-01-15
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Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 Girling Douglas Stacey
- 👤 Gilbert Clifford John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:29
CPC Classifications
H; H01; H01G; H01G13/00; Y; Y10; Y10T; Y10T29/00; Y10T29/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US695127A
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US2424904A
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US2555321A
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US2597511A
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US2794168A
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |